On the last day of his defeat, though he died on February 25, 1903 (January 28, 1903), the inventor of the jet rifle, Gartner died. The fast launch rifle planned by Gartner was widely used abroad on February 25, 1903, Richard-J-Gartner died in New York City and was 84 years old. The mechanical rifle he invented made a huge change in modern warfare. During the early days of the Northern War, the Gartner machine rifle developed by Gartner could be fired 250 times per minute. Now the fast shot can be fired 3,000 times per minute. However, the inventor of the machine rifle was a gentle friend he developed this machine rifle for the purpose of non-violence and destruction. Because of this machine rifle, Gartner was able to manipulate, and he hoped that the company¡¯s leadership