Samuel Colt: July 19,1814 – January 10,1862 

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✪ Samuel Colt was an American inventor, industrialist, and businessman who established Colt’s Patent Fire-Arms Manufacturing Company and made the mass production of revolvers commercially viable.

Colt’s first two business ventures were producing firearms in Paterson, New Jersey and making underwater mines. His business expanded rapidly after 1847, when the Texas Rangers ordered 1,000 revolvers during the Mexican-American War. During the American Civil War, Colt’s factory in Hartford supplied firearms both to the Union and Confederacy. His firearms were also used widely during the settling of the American western frontier. When Colt died in 1862, he was one of the wealthiest men in the United States.

Colt’s manufacturing methods were at the forefront of the Industrial Revolution. His use of interchangeable parts helped him become one of the first to make efficient use of the assembly line manufacturing process. Moreover, his innovative use of art, celebrity endorsements, and corporate gifts to promote his wares made him a pioneer in advertising, product placement, and mass marketing.

Samuel Colt was born in Hartford, Connecticut the son of Christopher Colt (1780–1850), a farmer who moved his family to the city after he became a businessman, and Sarah (née Caldwell). His maternal grandfather, Major John Caldwell, was an officer in the Continental Army; one of Colt’s earliest possessions was his grandfather John’s flintlock pistol.

Colt’s mother died from tuberculosis when he was six years old; and his father married Olivia Sargeant two years later. Colt had three sisters, one of whom died during her childhood. His oldest sister, Margaret, died of tuberculosis at age 19, and the other, Sarah Ann, later died by suicide. One of his brother,s James, became a lawyer and another, Christopher, a textile merchant. A third brother, John C. Colt, a man of many occupations, was convicted of an 1841 murder and died by suicide on the day he was to be executed.

At age 11, Colt was indentured to a farmer in Glastonbury, where he did chores and attended school. Here he was introduced to the Compendium of Knowledge, a scientific encyclopedia which he preferred reading rather than his Bible studies. Its articles about Robert Fulton and gunpowder motivated Colt throughout his life. He discovered other inventors in the Compendium had accomplished feats which were once deemed impossible; and he wanted to do the same. Later, after hearing some soldiers talk about the success of the double-barreled rifle and the impossibility of a gun which could shoot five or six rounds without reloading, Colt decided he would create such an “impossible gun.”

In 1829, at the age of 15, Colt began working in his father’s textile plant in Ware, Massachusetts. There, he had access to tools, materials, and fellow factory workers’ expertise. Using what he learned from the Compendium, Samuel built a homemade galvanic cell, and advertised at a Fourth of July event that year, he would explode a raft on Ware Pond using underwater explosives. Although the raft was missed, the explosion was still impressive.

Sent to boarding school, Colt amused his classmates with pyrotechnics. However, in 1830, a July 4 accident caused a fire which ended his schooling; and his father sent him away instead to learn the seaman’s trade. On a voyage to Calcutta aboard the brig Corvo, Colt had the idea for a type of revolver, inspired by capstans and windlasses, which have a ratchet-and-pawl mechanism he would later say gave him the idea for his revolver designs. On the Corvo, Colt made a wooden model of a pepperbox revolver out of scrap wood. It differed from other pepperbox revolvers at the time in that it allowed the shooter to rotate the cylinder by the action of cocking the hammer, with an attached pawl turning the cylinder, which was then locked firmly in alignment with one of the barrels by a bolt. This was a great improvement over earlier similar designs, which required rotating the barrels by hand and hoping for proper indexing and alignment.

When Colt returned to the United States in 1832, he resumed working for his father, who financed the production of two guns, a rifle and a pistol. The first completed pistol exploded when it was first fired, but the rifle performed well. Because his father refused to finance any further development projects, Samuel needed to find another way to fund the development of his ideas. He had earlier learned about nitrous oxide (laughing gas) from the chemist at his father’s textile plant, so he took a portable laboratory on tour and earned a living performing laughing gas demonstrations across the United States and Canada, calling himself as “the Celebrated Dr. Colt of New-York, London and Calcutta.”

Colt thought of himself as a man of science and believed if he could enlighten people about a new idea like nitrous oxide, he could in turn make people more receptive to his new ideas concerning a revolver. He started his lectures on street corners and soon worked his way up to lecture halls and museums. As ticket sales declined, Colt realized that “serious” museum lectures were not what the people wanted to pay for; instead, it was dramatic stories of salvation and redemption the public craved. While visiting his brother John in Cincinnati, he partnered with sculptor Hiram Powers for his demonstrations with a theme based on The Divine Comedy. Powers made detailed wax sculptures and paintings based on demons, centaurs, and mummies from Dante’s work. Colt constructed fireworks for the finale of the show, which was a success. According to Colt historian Robert Lawrence Wilson, the “lectures launched Colt’s celebrated career as a pioneer Madison Avenue-style pitchman.”  His public speaking skills were so prized Colt was thought to be a doctor and was even pressed into service to cure an apparent cholera epidemic aboard a riverboat by giving stricken passengers a dose of his nitrous oxide.

Having saved some money and still wanting to be considered an inventor as opposed to a “medicine man,” Colt made arrangements to begin building guns using proper gunsmiths from Baltimore, Maryland. He abandoned the idea of a multiple-barreled revolver and opted for a single fixed-barrel design with a rotating cylinder. The action of the hammer would align the cylinder bores with the single barrel. He sought the counsel of a friend of his father, Henry Leavitt Ellsworth, who loaned him $300 and advised him to perfect his prototype before applying for a patent. Colt hired a gunsmith by the name of John Pearson to build his revolver. Over the next few years, Colt and Pearson argued about money, but the design improved and by 1835 Colt was ready to apply for his first U.S. patent. In August 1835, Colt left for England and France to secure his foreign patents.

Colt’s trip to the United Kingdom was preceded by a similar visit by Elisha Collier, a Bostonian who had patented a revolving flintlock there which achieved great popularity & success. Despite the reluctance of English officials to issue a patent to Colt, no fault could be found with his design and he was issued his first patent (Number 6909). Upon his return to America, he applied for his U.S. patent for a “revolving gun;” and was granted the patent on February 25, 1836. This instrument and patent Number 1304, dated August 29, 1836, protected the basic principles of his revolving-breech loading, folding trigger firearm named the Colt Paterson

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Colt never claimed to have invented the revolver; as his design was a more practical adaption of Collier’s earlier revolving flintlock, incorporating a locking bolt to keep the cylinder aligned with the barrel. The invention of the percussion cap made ignition more reliable, faster, and safer than the older flintlock design. Colt’s great contribution was the use of interchangeable parts. Knowing some gun parts were made by machine, he envisioned all the parts of every Colt gun to be interchangeable and made by machine, to be assembled later by hand. His ultimate goal was assembly line production. This idea first appears in an 1836 letter Colt wrote to his father in which he said:

The first workman would receive two or three of the most important parts and would affix these and pass them on to the next who would add a part and pass the growing article on to another who would do the same, and so on until the complete arm is put together.

Colt’s U.S. revolver patent gave him a monopoly on revolver manufacture until 1857. His was the first practical revolver and the first practical repeating firearm, thanks to progress made in percussion technology. No longer a mere novelty weapon, the revolver became an industrial and cultural legacy, as well as a contribution to the development of war technology, ironically signified in the name of one of his company’s later innovations, the “Peacemaker.”

Although by the end of 1837 the Arms Company had made more than 1,000 weapons, there were no sales. After the Panic of 1837, the company’s underwriters were reluctant to fund the new machinery Colt needed to make interchangeable parts, so he went on the road to raise money. However, demonstrating his gun to people in general stores did not generate the sales volume he needed, so with another loan from his cousin Selden, he went to Washington, D.C. to personally demonstrate it to President Andrew Jackson. Jackson approved of the gun and wrote Colt a note saying so. With this letter, Colt pushed a bill through Congress endorsing a demonstration for the military, but failed to obtain any appropriations for military purchase of the weapon. A promising order from the state of South Carolina for 50 to 75 pistols was canceled when the company did not produce them quickly enough.

Colt undermined his own company’s financial health & stability with his habit of reckless spending. Selden often chastised him about using corporate funds to buy an expensive wardrobe or give lavish gifts to potential clients. Selden twice prohibited Colt from using company money for liquor and fancy dinners. Colt believed getting potential customers inebriated would generate more sales.

The company was given a brief reprieve by the war against the Seminoles in Florida, which provided the first major sale of Colt’s revolvers and his new revolving rifles. The soldiers in Florida praised the new weapon, but the unusual hammerless design, sixty years ahead of its time, made it difficult to train men who were used to exposed-hammer guns.

Colt did not refrain long from manufacturing as he turned to selling underwater electrical detonators and waterproof cable of his own invention. Soon after the failure of the Patent Arms Manufacturing Company, he teamed with Samuel Morse to lobby the US government for funds. Colt’s waterproof cable, made from tar-coated copper, proved valuable when Morse ran telegraph lines under lakes, rivers, and bays and made attempts to lay a telegraph line under the Atlantic Ocean.

As tensions with the British grew toward the end of 1841, Colt demonstrated his underwater mines to the US Government, prompting Congress to appropriate funds for his project. In 1842, he used one of the devices to destroy a moving vessel, to the satisfaction of the United States Navy and President John Tyler. However, opposition from John Quincy Adams, who was serving as a U.S. representative from Massachusetts’s 8th congressional district, scuttled the project as “not fair and honest warfare,” calling the Colt mine an “unchristian contraption.”

After this setback, Colt turned his attention to perfecting tinfoil cartridges he had originally designed for use in his revolvers. The standard at the time was to have powder and ball contained in a paper or skin envelope (“cartridge”) for ease of loading. However, if the paper got wet, the powder would be ruined. Colt tried alternative materials such as rubber cement, finally deciding on a thin type of tinfoil. In 1841 he made samples of these cartridges for the army. During tests of the foil cartridges, 25 rounds were shot from a musket without cleaning. When the breech plug was removed from the barrel, no fouling from the tin foil was evident. The reception was lukewarm, but the army purchased a few thousand rounds for further testing. In 1843 the army gave Colt an order for 200,000 of the tinfoil cartridges packed 10 to a box for use in muskets.

Captain Samuel Walker of the Texas Rangers acquired some of the first Colt revolvers produced during the Seminole War and saw firsthand their effective use when his 15-man unit defeated a larger force of 70 Comanches in Texas. Walker wanted to order Colt revolvers for use by the Rangers in the Mexican–American War and traveled to New York City in search of Colt. On January 4, 1847, he met Colt in a gunsmith’s shop and ordered 1,000 revolvers. Walker asked for a few changes: the new revolvers would have to hold six shots instead of five, have enough power to kill either a human or a horse with a single shot, and be quicker to reload.

Colt used his prototype and Walker’s improvements as the basis for a new design. From this new design, known as the Colt Walker, machinist Eli Whitney produced the first thousand-piece order. The company then received an order for a thousand more. With the money he made from the sales of the Walkers and a loan from his cousin, banker Elisha Colt, Colt bought the machinery and tooling from Whitney to build his own factory: Colt’s Patent Fire-Arms Manufacturing Company factory at Hartford. The first revolving-breech pistols made at the factory were named “Whitneyville-Hartford-Dragoons” and became so popular that the word “Colt” was often used as a generic term for “revolver.”

Besides being used in the Mexican–American War, Colt’s revolvers were employed as sidearms by both civilians and soldiers. Colt’s revolvers played a key role in the westward expansion. A revolver which could fire six times without reloading helped soldiers and settlers fend off larger forces not armed in the same way. In 1848 Colt introduced smaller versions of his pistols for civilian use, known as “Baby Dragoons.” In 1850 General Sam Houston and General Thomas Jefferson Rusk lobbied Secretary of War William Marcy and President James K. Polk to adopt Colt’s revolvers for the U.S. Military. Rusk testified: “Colt’s Repeating Arms are the most efficient weapons in the world and the only weapon which has enabled the frontiersman to defeat the mounted Indian in his own peculiar mode of warfare.” Ever the opportunist, when the war with Mexico ended, Colt sent sales agents south of the border to procure sales from the Mexican Government.

A major reason for Colt’s commercial success was vigorous protection of his patent rights. Even though he held the only lawful patent for his type of revolver, scores of imitators copied his work and Colt found himself involved in constant litigation. In each case, Colt’s lawyer, Edward N. Dickerson, deftly exploited the patent system and successfully shut down the competitor. However, Colt’s zealous protection of his patents greatly impeded firearms development as a whole in the United States.

Colt knew he had to make his revolvers affordable, as the doom of many great inventions was a high retail price. Colt fixed his prices at a level below his competition to maximize sales volume. From his experience in haggling with government officials, he knew what numbers he would have to generate to make enough profit to invest money in improving his machinery, thereby limiting imitators’ ability to produce a comparable weapon at a lower price.

Colt purchased a large tract of land beside the Connecticut River, where he built: his first factory in 1848; a larger factory (the Colt Armory) in 1855; the manor Armsmear in 1856; and employee tenement housing. He established a ten-hour work day for his employees, installed washing stations in the factory, mandated a one-hour lunch break, and built the Charter Oak Hall, where employees could enjoy games, newspapers, and discussion rooms. Colt managed his plant with a military-like discipline: he would dismiss workers for tardiness, sub-par work, or even suggesting improvements to his designs.

Colt’s factory was one of the first to make use of the concept known as assembly line production. This idea was not new but had never been successfully implemented in industry at the time because of the lack of interchangeable parts. However, Colt’s machines completed as much as 80% of the work leaving less than 20% of the parts to require hand fitting and filing. Colt’s revolvers were predominantly made by machine, but he insisted on final hand finishing and polishing of his revolvers to impart a custom handmade feel.

On June 5, 1856, Colt married Elizabeth Jarvis, the daughter of the Rev. William Jarvis, who lived downriver from Hartford. The wedding was lavish and featured the ceremony on a steamship overlooking the factory as well as fireworks and rifle salutes. The couple had four children; two sons and two daughters.

After his revolvers gained acceptance, Colt would have his staff search for unsolicited news stories mentioning his guns he could excerpt and reprint. He went so far as to hire agents in other states and territories to find such samples, to buy hundreds of copies for himself and to give the editor a free revolver for writing them, particularly if such a story disparaged his competition. Many of the revolvers Colt gave away as “gifts” had inscriptions such as “Compliments of Col. Colt” or “From the Inventor” engraved on the back straps. Later versions contained his entire signature which was used in many of his advertisements as a centerpiece, using his celebrity as a seeming guarantee of the performance of his weapons. Colt eventually secured a trademark for his signature. One of his slogans, “God created men, Col. Colt made them equal,” (claiming that any person could, regardless of physical strength, defend themselves with a Colt gun) became a popular adage in American culture which remains today.

In the period leading up to the American Civil War, Colt supplied both the Union and Confederacy with firearms.  He was also known to sell weapons to opposing warring parties on both sides of other conflicts in Europe and did the same with respect to the war in America. It is estimated that in its first 25 years of manufacturing, Colt’s company produced more than 400,000 revolvers.

Samuel Colt died of complications of gout in Hartford on January 10, 1862. He was interred on the property of his private residence Armsmear and reinterred at Cedar Hill Cemetery in 1894. At the time of his death, Colt’s estate, which he willed to his wife and three-year-old son Caldwell Hart Colt, was estimated to be valued at about $15,000,000 (equivalent to US$484,000,000 in 2025).✪