The revolver, with a single barrel and a number of chambers for cartridges fired by a one-lock mechanism, was patented in 1835 by whom?
Which was one of the most well known rapid-fire weapons to be used in the 1860s by the Union forces of the American Civil War?
Which of these is a light automatic personal weapon with limited range and accuracy, getting its power solely from the recoil, which was mass-produced cheaply during World War II?
