Gunpowder, a potent mixture that changed the course of human history, has been a key element in warfare, industry, and entertainment for centuries. The invention of gunpowder revolutionized warfare, leading to the development of firearms, cannons, and explosive devices. But who exactly can be credited with the discovery of this remarkable substance?
The origins of gunpowder can be traced back to ancient China, where its invention is believed to have occurred during the Tang Dynasty (618-907 AD). The Chinese alchemist and inventor known as Li Tian is often attributed with the discovery of gunpowder in the 9th century.
Gunpowder, also known as black powder, is composed of three main ingredients: sulfur, charcoal, and potassium nitrate (saltpeter). These components, when combined in specific proportions, create a highly combustible mixture capable of producing a powerful explosion.
Although Li Tian is often mentioned as the inventor of gunpowder, historical records suggest that the use of similar explosive mixtures predates him. Ancient Chinese texts, such as the Wujing Zongyao and Zhenyuan miaodao yaolu, contain descriptions of incendiary mixtures used for warfare. These writings provide evidence that gunpowder-like substances were utilized as early as the 9th century BC during the Spring and Autumn Period.
It is worth noting that gunpowder’s initial purpose in ancient China was not primarily for warfare, but rather for medicinal and mystical purposes. Chinese alchemists sought to find an elixir of immortality, and the discovery of gunpowder was a byproduct of their experiments with various substances. They believed that the explosive properties of gunpowder had mystical qualities and could aid in their quest for eternal life.
As gunpowder’s potential as a weapon became apparent, its use spread throughout Asia and reached the Islamic world by the 9th century. In the Middle East, Arab scholars and inventors, such as Jābir ibn Hayyān, known as Geber in the Western world, made significant contributions to the study and development of gunpowder.
The knowledge of gunpowder eventually reached Europe, likely through trade routes such as the Silk Road and during military campaigns such as the Crusades. The earliest documented use of gunpowder in Europe dates back to the 13th century, during the Mongol invasions. It was during this time that Europeans began to experiment with gunpowder’s explosive properties.
In Europe, one prominent figure associated with the advancement of gunpowder technology is the English philosopher and Franciscan friar Roger Bacon. In his work, “Opus Maius,” written in the 13th century, Bacon described gunpowder’s composition and potential military applications. His insights laid the foundation for future advancements in firearms and artillery.
The subsequent centuries saw rapid progress in the development and refinement of gunpowder-based weaponry. Berthold Schwarz, a German monk, is often credited with inventing the first handheld gun, known as the “hand cannon,” around the early 14th century. This invention marked a significant milestone in the evolution of firearms.
Further innovations occurred during the 15th and 16th centuries, as advancements in metallurgy allowed for the production of more sophisticated firearms and cannons. Leonardo da Vinci, the Italian polymath, made important contributions to gunpowder technology, designing various explosive devices and even proposing the concept of a multi-barrel gun.
The Renaissance period also witnessed the work of Konrad Kyeser, a German military engineer who documented various gunpowder weapons and techniques in his treatise “Bellifortis” published in the 15th century. Kyeser’s work showcased the expanding knowledge and application of gunpowder in warfare.
As the use of gunpowder continued to spread, its impact on military tactics and warfare was undeniable. The development of firearms, such as muskets and cannons, transformed the battlefield, rendering traditional forms of warfare obsolete. The ability to project force from a distance with greater accuracy and destructive power revolutionized warfare strategies and shaped the course of history.
Gunpowder: Origins in the East
The story of gunpowder begins in ancient China during the Tang Dynasty (618-907 AD). While its precise origins remain somewhat elusive, Li Tian, a Chinese alchemist and inventor, is often attributed with the discovery of gunpowder in the 9th century. This remarkable substance, known as black powder, is a potent mixture composed of sulfur, charcoal, and potassium nitrate (saltpeter), carefully combined in specific proportions to create a highly combustible compound.
Historical evidence suggests that gunpowder-like substances were utilized even earlier than Li Tian’s time. Ancient Chinese texts, such as the Wujing Zongyao and Zhenyuan miaodao yaolu, contain descriptions of incendiary mixtures used for warfare during the Spring and Autumn Period (9th century BC). These texts provide early indications of the use of explosive compounds in military applications.
The invention of gunpowder in ancient China stemmed from the pursuit of knowledge in alchemy, medicine, and the quest for immortality. While Li Tian is often credited as the primary inventor, it is important to note that gunpowder’s development was a collaborative effort involving numerous alchemists, scholars, and inventors of ancient China.
Gunpowder’s transformative potential quickly spread beyond China’s borders, reaching the Islamic world by the 9th century. Arab scholars and inventors, such as Jābir ibn Hayyān, known as Geber in the Western world, played a significant role in studying and advancing gunpowder technology during this period. The exchange of knowledge and ideas facilitated by cultural interactions contributed to further developments in the understanding and application of gunpowder.
In the ensuing centuries, gunpowder knowledge traveled along trade routes, including the famous Silk Road, and during military encounters such as the Crusades, eventually reaching Europe. The first documented use of gunpowder in Europe dates back to the 13th century during the Mongol invasions. It was during this time that Europeans began to witness firsthand the destructive power of gunpowder.
One influential figure in the dissemination of gunpowder technology in Europe was Roger Bacon, an English philosopher and Franciscan friar. In his work, “Opus Maius,” written in the 13th century, Bacon described the composition of gunpowder and its potential military applications. His writings played a crucial role in disseminating knowledge and sparking interest in gunpowder among European scholars and inventors.
The Renaissance period witnessed significant advancements in gunpowder technology. Berthold Schwarz, a German monk, is often credited with inventing the first handheld firearm, known as the “hand cannon,” in the early 14th century. This groundbreaking invention represented a major milestone in the evolution of firearms and signaled the dawn of a new era in warfare.
Tang Dynasty Gun Powder:
During the Tang Dynasty in ancient China, a remarkable invention emerged that would change the course of human history: gun powder. In this extensive article, we delve into the origins, inventors, impact, and significance of gun powder during the Tang Dynasty, highlighting key names, places, and important aspects of this groundbreaking discovery.
The Tang Dynasty, which reigned from the 7th to the 10th century AD, witnessed significant advancements in various fields, including science, technology, and alchemy. It was during this time that gun powder was invented, laying the foundation for a new era of warfare, engineering, and cultural exchange.
While the exact origins and inventors of gun powder in the Tang Dynasty remain shrouded in historical mystery, it is widely believed that Chinese alchemists and inventors played a crucial role in its discovery. One figure often associated with the invention of gun powder during this period is the alchemist and court sorcerer Li Tian. Li Tian’s experiments with various chemicals and substances led to the discovery of a powerful mixture known as “black powder.”
The composition of Tang Dynasty gun powder consisted of three key ingredients: sulfur, charcoal, and potassium nitrate (saltpeter). Each component played a specific role in the explosive properties and combustion of gun powder. Sulfur provided the fuel, charcoal acted as the reducing agent, and potassium nitrate served as the oxidizer.
The development and early use of gun powder in the Tang Dynasty were closely tied to its applications in warfare. Gun powder was primarily utilized for fire arrows and incendiary weapons. These early forms of gun powder-based weapons played a significant role in battles and sieges, giving the Tang Dynasty a military advantage over their adversaries.
The impact of gun powder extended beyond the battlefield. It influenced various aspects of Tang Dynasty society, including the development of fireworks. Fireworks, initially created using gun powder, were used for celebratory events, religious ceremonies, and entertainment. The vibrant explosions and colorful displays captivated audiences, marking the beginning of a long-lasting tradition that continues to this day.
Gun powder’s discovery during the Tang Dynasty also led to advancements in alchemy and chemical experimentation. Alchemists and inventors began to explore the potential of gun powder and its components, paving the way for further advancements in chemistry, materials science, and explosive technology.
The spread of gun powder knowledge and its impact on neighboring civilizations can be attributed to the extensive trade routes and cultural exchanges of the Tang Dynasty. As gun powder technology developed, it reached regions beyond China’s borders, including the Middle East, where it caught the attention of scholars such as Jābir ibn Hayyān. Hayyān further advanced the understanding of gun powder and its applications through his experiments and writings.
The invention of gun powder during the Tang Dynasty laid the groundwork for future advancements in weaponry, engineering, and the sciences. Its explosive power and controlled combustion forever transformed warfare, leading to the emergence of firearms, cannons, and other gun powder-based weapons.
Gunpowder: Origins in Europe
The introduction of gunpowder to Europe can be attributed to cultural and commercial exchanges along the Silk Road and during military campaigns such as the Crusades. The first documented use of gunpowder in Europe dates back to the 13th century during the Mongol invasions, when Europeans witnessed its destructive power firsthand.
One influential figure in the dissemination of gunpowder knowledge in Europe was Roger Bacon, an English philosopher and Franciscan friar. In his 13th-century work, “Opus Maius,” Bacon extensively described the composition of gunpowder and its military applications. His writings were instrumental in disseminating knowledge and sparking interest in gunpowder among European scholars and inventors.
Gunpowder’s arrival in Europe coincided with a period of great intellectual and technological advancement known as the Renaissance. During this era, notable inventors and thinkers contributed to the evolution of gunpowder technology. Berthold Schwarz, a German monk, is often credited with inventing the first handheld firearm, the “hand cannon,” in the early 14th century. This innovation marked a significant turning point in the development of firearms and forever altered the nature of warfare.
The genius of Leonardo da Vinci, the Italian polymath, also left an indelible mark on gunpowder technology during the Renaissance. Da Vinci’s extensive sketches and designs included various explosive devices and his concept of a multi-barrel gun, showcasing his visionary approach to weaponry.
The rapid advancement of gunpowder technology in Europe prompted the emergence of new weapons and tactics. Innovators and military engineers played a vital role in refining the applications of gunpowder. Konrad Kyeser, a German engineer, documented various gunpowder weapons and techniques in his 15th-century treatise, “Bellifortis.” His work further expanded the understanding and application of gunpowder in European warfare.
As gunpowder technology progressed, cannons became an indispensable component of European militaries. The development of more accurate and powerful cannons allowed for long-range artillery bombardments and laid the foundation for fortress sieges and naval warfare.
The exploration and colonization of new territories by European powers further spurred the advancement of gunpowder technology. The introduction of firearms and cannons played a significant role in European conquests across the globe. The conquistadors of Spain, for instance, utilized gunpowder-based weapons to devastating effect during their campaigns in the Americas.
The impact of gunpowder on European society extended beyond warfare. It facilitated the development of mining, metallurgy, and engineering, leading to the growth of industries associated with weapon production and military technology. Moreover, gunpowder’s applications expanded to include entertainment and celebratory events, such as fireworks displays, which continue to captivate audiences to this day.
How Gunpowder Works?
At its core, gunpowder is a potent mixture composed of three key ingredients: sulfur, charcoal, and potassium nitrate (saltpeter). The precise proportions of these components are crucial in creating an explosive compound capable of producing a powerful release of energy. Sulfur provides fuel, charcoal acts as a reducing agent, and potassium nitrate serves as an oxidizer.
The chemistry of gunpowder relies on a rapid exothermic reaction known as deflagration. When ignited, the heat breaks down the unstable potassium nitrate molecules, releasing oxygen that rapidly oxidizes the carbon from the charcoal and sulfur. This process liberates an enormous amount of energy in the form of heat and expanding gases.
To understand how gunpowder functions, it is essential to examine the mechanics of its use. Gunpowder is primarily employed in two forms: loose powder and compressed forms such as pellets or grains. In firearms, loose powder or pre-measured charges are loaded into a chamber, while in cannons and artillery, the gunpowder is contained within a cartridge or a powder chamber.
When a firearm is discharged, the primer ignites a small amount of gunpowder located in the cartridge or breech, generating a high-temperature flame. This flame then propagates through the ignition port, reaching the main powder charge. The rapid combustion of gunpowder produces a significant volume of gas, propelling the projectile forward with considerable force.
The historical significance of gunpowder cannot be understated. Its discovery and subsequent developments revolutionized warfare, shifting the balance of power and transforming military tactics. The use of gunpowder-based weapons, such as firearms and cannons, rendered traditional forms of warfare obsolete, paving the way for the rise of modern armies and centralized states.
The introduction of gunpowder-based weaponry led to significant advancements in engineering and metallurgy. Artillery design and construction evolved to withstand the pressures and stresses of gunpowder’s explosive force. The development of cast iron cannons capable of withstanding the explosive power of gunpowder played a crucial role in shaping fortifications and naval warfare.
The impact of gunpowder extended beyond warfare. Gunpowder’s applications expanded to fields such as mining, construction, and even entertainment. The controlled combustion of gunpowder led to the creation of spectacular fireworks displays, captivating audiences with vibrant colors and dazzling pyrotechnic effects.
Throughout history, numerous inventors and innovators contributed to the understanding and refinement of gunpowder technology. From its origins in ancient China, with figures like Li Tian and Jābir ibn Hayyān, to European scholars such as Roger Bacon and military engineers like Berthold Schwarz, gunpowder’s development was the result of collective knowledge and collaboration across cultures and time periods.
Difference Between Gunpowder and Black Powder:
The term black powder refers to the original formulation of the explosive mixture, which dates back to ancient China. Black powder is composed of three primary ingredients: sulfur, charcoal, and potassium nitrate (saltpeter). These components are carefully combined in specific proportions, traditionally referred to as the “75:15:10” ratio, to create a highly combustible compound.
The name “black powder” derives from its appearance, as the mixture typically exhibits a dark, blackish color. The charcoal component, when finely ground, contributes to this dark hue. Historically, black powder was extensively used in firearms, cannons, and other explosive devices due to its ability to produce a significant amount of gas upon ignition, propelling projectiles forward.
On the other hand, gunpowder is a broader term that encompasses various formulations and modifications of the original black powder. Gunpowder refers to any explosive mixture that utilizes a combination of fuel, oxidizer, and other additives to achieve specific properties and applications.
Gunpowder can have different compositions depending on its intended use. While it still includes sulfur, charcoal, and an oxidizer, the oxidizer component may vary. Common oxidizers used in gunpowder formulations include potassium nitrate, sodium nitrate, or even nitroglycerin. These alternative oxidizers enable the production of gunpowder with different burning rates, stability, and energy output.
The primary distinction between black powder and gunpowder lies in their respective applications. Black powder, with its traditional composition, is typically used in historical reenactments, fireworks displays, and traditional firearms where historical accuracy is desired. Due to its relatively low burning rate, black powder is not suitable for modern firearms or applications that require high energy output.
Gunpowder, on the other hand, offers versatility in terms of its applications. Modern gunpowder formulations are designed to provide higher energy output and control over the burning rate. This makes gunpowder suitable for a wide range of applications, including modern firearms, artillery, ammunition, pyrotechnics, and industrial uses such as mining and demolition.
It is important to note that the development of gunpowder as a versatile explosive mixture was a cumulative effort by inventors and scientists throughout history. From the pioneering work of ancient Chinese inventors like Li Tian to the contributions of European scholars like Roger Bacon, gunpowder’s evolution involved continuous experimentation, refinement, and modifications to achieve desired properties and applications.
Types of Gunpowder:
The term “gunpowder” traditionally refers to the original black powder composition invented in ancient China. However, modern advancements have led to the development of new formulations, each tailored to specific applications. Let’s explore some of the notable types of gunpowder:
- Black Powder: Black powder, also known as traditional gunpowder, is the earliest known formulation. It is composed of three main ingredients: sulfur, charcoal, and potassium nitrate (saltpeter). This classic formulation is commonly used in historical reenactments, traditional firearms, and fireworks displays due to its lower burning rate and historical accuracy.
- Single-Base Propellants: Single-base propellants represent a class of gunpowder formulations that primarily use nitrocellulose as the main ingredient. Nitrocellulose-based propellants provide higher energy output and greater control over burning rates. They are commonly found in modern ammunition for rifles, pistols, and shotguns.
- Double-Base Propellants: Double-base propellants are a more advanced type of gunpowder that combines nitrocellulose with nitroglycerin. This combination provides even higher energy output and burning rates. Double-base propellants are widely used in military ammunition, including artillery shells, tank rounds, and high-velocity cartridges.
- Triple-Base Propellants: Triple-base propellants take the formulation a step further by incorporating a third ingredient, nitroguanidine, in addition to nitrocellulose and nitroglycerin. These propellants offer the highest energy output and burning rates among gunpowder types. Triple-base propellants find applications in high-performance ammunition, such as those used in advanced military weapons and long-range precision rifles.
- Smokeless Powder: Smokeless powder represents a significant advancement in gunpowder technology. It is a type of propellant that produces minimal smoke upon ignition, making it ideal for military applications where concealment is crucial. Smokeless powder formulations can vary, but they typically consist of nitrocellulose combined with various stabilizers, burn-rate modifiers, and deterrents.
- Ballistite: Ballistite, developed by the Italian chemist Alfred Nobel in the late 19th century, is a smokeless powder that gained popularity for its use in early cartridges. It is a mixture of nitrocellulose and nitroglycerin, sometimes combined with other ingredients like stabilizers or deterrents. Ballistite was widely adopted in military and sporting ammunition during its time.
- Cordite: Cordite, invented by Sir James Dewar and Sir Frederick Abel in the late 19th century, is another significant smokeless powder formulation. It is composed of a mixture of nitrocellulose, nitroglycerin, and a small amount of petroleum jelly. Cordite gained prominence as the standard propellant for British military ammunition and remained in use until the mid-20th century.
Uses for Gunpowder:
Warfare: The invention and advancement of gunpowder revolutionized warfare, forever changing the dynamics of conflicts. Gunpowder-based weapons such as firearms, cannons, and artillery significantly enhanced the destructive capabilities of armies. Notable inventors and innovators in the field of gunpowder and military technology include Berthold Schwarz, who is credited with inventing the hand cannon, and Leonardo da Vinci, who conceptualized multi-barrel guns. Gunpowder-powered weapons played pivotal roles in battles and conquests throughout history, shaping the outcomes of wars and the rise and fall of empires.
2. Artillery and Fortifications: The introduction of gunpowder propelled advancements in artillery design and construction. The development of cannons and artillery pieces capable of harnessing the explosive power of gunpowder allowed for long-range bombardments and the breaching of fortifications. Engineers and military strategists like Konrad Kyeser documented gunpowder weapons and techniques in works like “Bellifortis,” contributing to the evolution of artillery and the science of fortifications.
3. Mining and Demolition: Gunpowder’s explosive properties also found applications in mining and demolition. The controlled ignition of gunpowder was used to dislodge rocks and extract valuable minerals in mining operations. In construction and demolition, gunpowder was employed to bring down structures, clear pathways, and shape the landscape. Gunpowder’s ability to generate controlled explosions was instrumental in facilitating large-scale construction projects and infrastructure development.
4. Pyrotechnics and Fireworks: The entertainment industry owes a significant debt to gunpowder’s pyrotechnic properties. The mesmerizing displays of fireworks captivate audiences worldwide. The roots of fireworks can be traced back to ancient China, where gunpowder was first utilized to create colorful explosions in celebrations and religious ceremonies. Notable inventors like Li Tian and Jābir ibn Hayyān contributed to the development of pyrotechnics through their understanding and experimentation with gunpowder-based mixtures. Today, fireworks continue to illuminate the night skies in various cultural festivities and celebrations.
5. Photography and Cinematography: Gunpowder also played a role in the early days of photography and cinematography. The French inventor Jacques-Eugène Brandenberger discovered that nitrocellulose, a derivative of gunpowder, could be dissolved in solvents to create a transparent film. This discovery led to the development of “cellophane,” a versatile material that found applications in photography, food packaging, and other industries. Moreover, the invention of nitrocellulose-based films by George Eastman transformed the world of cinematography, enabling the creation of motion pictures.
6. Propulsion Systems: Gunpowder’s explosive force has also been harnessed for propulsion in various applications. In early forms of transportation, gunpowder-powered rockets were experimented with, paving the way for advancements in rocketry and space exploration. Inventors like Wan Hu, a Chinese official of the 16th century, envisioned using rockets propelled by gunpowder to reach the moon.
7. Signal and Communication: Gunpowder’s explosive nature made it ideal for signaling and communication purposes. In the past, cannons and other explosive devices were used to create loud bangs and flashes as signals during battles or to convey messages over long distances. The firing of cannons and the use of gunpowder-based signal flares allowed for coordinated movements and communication on the battlefield and at sea.
8. Industrial Applications: Gunpowder’s energy output and controlled combustion have found applications in various industrial processes. For instance, gunpowder-powered engines were utilized in early industrial machinery, such as steam engines, to drive mechanical systems and power manufacturing processes. The high-energy output of gunpowder has also been employed in the production of blasting caps and explosive tools used in mining, demolition, and construction.
Key Dates of Gunpowder:
9th Century AD: The invention of gunpowder is believed to have occurred during the Tang Dynasty in ancient China. Although the exact date and inventor remain uncertain, Chinese alchemists and inventors like Li Tian played a significant role in its discovery. Gunpowder, initially known as “black powder,” emerged as a potent mixture of sulfur, charcoal, and potassium nitrate (saltpeter).
13th Century: Gunpowder knowledge reaches Europe during the Mongol invasions. The first documented use of gunpowder in Europe takes place during this period, marking its introduction to Western civilizations.
13th Century: The English philosopher and Franciscan friar, Roger Bacon, contributes to the understanding of gunpowder by describing its composition and potential military applications in his work “Opus Maius.” Bacon’s writings play a crucial role in disseminating knowledge about gunpowder and sparking interest among European scholars.
14th Century: Berthold Schwarz, a German monk, is credited with inventing the hand cannon, a handheld firearm that utilizes gunpowder as a propellant. This invention represents a significant milestone in the evolution of firearms technology.
15th Century: Gunpowder technology continues to advance, with German military engineer Konrad Kyeser documenting various gunpowder weapons and techniques in his treatise “Bellifortis.” Kyeser’s work contributes to the expanding knowledge and application of gunpowder in warfare.
19th Century: The 19th century witnesses several important developments in gunpowder technology. In 1846, the German-Swiss chemist Christian Friedrich Schönbein accidentally discovers nitrocellulose, a derivative of gunpowder. This accidental discovery paves the way for the development of new formulations and explosive compounds.
Late 19th Century: Alfred Nobel, a Swedish chemist, invents dynamite in 1867. Dynamite combines nitroglycerin, a powerful explosive, with inert materials to create a more stable and controllable explosive compound. This invention revolutionizes mining, construction, and the explosives industry.
Late 19th Century: Another notable invention in gunpowder technology is smokeless powder. Inventors like Paul Vieille and Frederick Volkmann develop formulations that produce minimal smoke upon combustion, improving visibility in battles and reducing the visibility of the shooter.
20th Century: The 20th century witnesses further advancements in gunpowder technology. Innovations such as Ballistite, developed by Alfred Nobel, and Cordite, invented by Sir James Dewar and Sir Frederick Abel, contribute to the development of smokeless powders used in military ammunition.
Conclusion:
The invention of gunpowder, one of the most significant discoveries in human history, remains an enigma when it comes to determining a single inventor. Its origins can be traced back to ancient China, where it was developed during the Tang Dynasty. While the exact identity of the inventor is uncertain, figures like Li Tian, an alchemist and court sorcerer, are often associated with its discovery. Gunpowder’s composition, consisting of sulfur, charcoal, and potassium nitrate, revolutionized warfare, technology, and cultural exchange.
Gunpowder’s impact transcended the battlefield, permeating various aspects of society. It paved the way for the development of powerful weapons such as firearms, cannons, and explosives, forever changing the face of warfare. Additionally, gunpowder’s applications extended to fields such as mining, construction, photography, and pyrotechnics, shaping industries and entertainment.
The influence of gunpowder spread beyond China, reaching Europe through the Silk Road and military campaigns such as the Crusades. European scholars and inventors, including Roger Bacon and Berthold Schwarz, played significant roles in disseminating gunpowder knowledge and advancing its applications.
Understanding the invention of gunpowder requires appreciating the collaborative nature of scientific and technological advancements. Gunpowder’s development was a collective effort across cultures and time periods, with contributions from inventors, alchemists, and engineers throughout history. The likes of Jābir ibn Hayyān, Konrad Kyeser, and Leonardo da Vinci further refined gunpowder’s understanding and applications.
In conclusion, while pinpointing a single inventor of gunpowder may remain elusive, the collective efforts of brilliant minds across ancient China, Europe, and other regions propelled its discovery and evolution. Gunpowder’s invention transformed warfare, fueled industrial and scientific advancements, and left an indelible mark on human civilization. It serves as a testament to the power of human ingenuity and the profound impact that a single invention can have on the world.
References:
- Alford, J. (2006). The Gunpowder Age: China, Military Innovation, and the Rise of the West in World History.
- Chase, K. (2008). Firearms: A Global History to 1700.
- Crosby, A. W. (2003). Throwing Fire: Projectile Technology through History.
- Ebrey, P. B., Walthall, A., & Palais, J. B. (2009). East Asia: A Cultural, Social, and Political History.
- Grant, R. G. (2005). Battle: A Visual Journey Through 5,000 Years of Combat.
- Hartzler, D. D. (1997). The Early Development of Gunpowder Artillery in China.
- Kelly, J. (2004). The Origins of Gunpowder.
- Li, Z. (2011). Science and Civilisation in China: Volume 5, Chemistry and Chemical Technology, Part 7, Military Technology: The Gunpowder Epic.
- Needham, J. (1986). Science and Civilisation in China: Volume 5, Chemistry and Chemical Technology, Part 4, Spagyrical Discovery and Invention: Apparatus, Theories, and Gifts.
- Needham, J. (1994). Science and Civilisation in China: Volume 5, Chemistry and Chemical Technology, Part 3, Spagyrical Discovery and Invention: Historical Survey, from Cinnabar Elixirs to Synthetic Insulin.
