HIRAM P. MAXIM. signed: "Hiram Percy Maxim", Hiram P. Maxim (1896-1936) was the son of Hiram S. Maxim (1840-1916), inventor of an early machine gun. An inventor like his father, Hiram P. promoted the Maxim Silencer for firearms, then applied its principles to mufflers, air compressors and other machinery. Although Maxim's silencer was a permanent attachment to a rifle, it created a public era in an era of gangland violence. Many states and nations attempted to ban the silencer. Uncle Hudson Maxim invented smokeless powder and other ammunition. The Maxims were born in the U.S., although Hiram S. became a British subject. Lightly soiled. In early 1895, Maxim visited Colonel Albert Pope in Hartford which led to his being hired for the Motor Vehicle Division of the Pope Manufacturing Company. His vehicle was not ready in time for the Times-Herald race in November, but Maxim was able to get to Chicago and serve as an umpire. He rode with the Morris and Salom entry, the Electrobat II.In 1899, with Maxim at the controls, the Pope Columbia, a gasoline-powered automobile, won the first closed-circuit automobile race in the U.S. at Branford, Connecticut. Columbia continued to produce gasoline cars until 1913, and was also a major manufacturer of early electric automobiles and trucks.
From 1902 through 1909, Maxim was largely focused on inventing, building, marketing, and selling firearm silencers. He also developed mufflers for internal combustion engines using much the same technology.
Hiram is the co-founder of the American Radio Relay League. He is also pictured on the State of Connecticut Early American License plate driving a 1902 Columbia Mark VIII with Fred Law, model room foreman.
Several patents are the Motor vehicle (battery electric vehicle) patent 594 805, motor vehicle running gear, electric motor vehicle, motor road vehicle and silent firearm.
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