Revolver many European gun-makers, in numerous designs and configurations. However, these weapons were difficult to use, complicated and prohibitively expensive to make, and as such they were not widely distributed. In 1836, an American, Samuel Colt patented the mechanism which led to the widespread use of the revolver, the mechanically indexing cylinder. According to Samuel Colt, he came up with the idea for the revolver while at sea, inspired by the capstan, which had a ratchet and pawl mechanism on it, a version of which was used in his guns to rotate the cylinder by cocking the hammer. This provided a
Colt Police Positive Colt Police Positive The Colt Police Positive is a small-frame, double-action revolver featuring a six-round cylinder, chambered for either .32 or .38 caliber cartridges. Designed primarily for sale to federal, state, or local law enforcement agencies, the Police Positive was introduced into the firearms market by Colt's Manufacturing Company in 1907. The Colt Police Positive was an improvement of Colt’s earlier “New Police” revolver, upgraded with an internal hammer block safety. Colt named this new security device the “Positive Lock”, and its nomenclature ended up being incorporated as a partial namesake for the new revolver. The cylinder of the Police