In former hundreds of years, gentlemen carried flintlock one-shot pocket pistols, from time to time even with somewhat folding bayonet on them, within their tailcoat pockets. That gave approach to the percussion solitary-shot that even now nevertheless bears a version of Henry Deringer of Philadelphia’s identify. William Elliott’s Double Derringer, https://donovanpsqpm.izrablog.com/33668381/detailed-notes-on-olding-pocket-pistol