1860 ad in Frank Leslie’s Illustrated Newspaper for Smith and Wesson’s Seven-Shooter
The Smith & Wesson Model 1 was the first firearm manufactured by Smith & Wesson, with production spanning the years 1857 through 1882. It was the first commercially successful revolver to use rimfire cartridges instead of loose powder, musket ball, and percussion caps. It is a single-action, tip-up revolver holding seven .22 Short black powder cartridges. (Wikipedia)
image by Mikehelms – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=26980450