(Wikipedia) The Colt Paterson is a revolver. It was the first commercial repeating firearm employing a revolving cylinder with multiple chambers aligned with a single, stationary barrel. Its design was patented by Samuel Colt on February 25, 1836, in the United States, England and France, and it derived its name from being produced in Paterson, New Jersey.
... The Republic of Texas purchased 180 of the revolving shotguns and rifles and a like number of handguns for the Texas Navy in 1839. When Samuel Houston disbanded the Texas Navy in 1843, Captain Jack Hays armed his company of Texas Rangers with surplus stocks of the pistols. The repeating handguns became very popular with the Rangers, providing them with sustained firepower against their Comanche adversaries. Continued