More fyi.
The Riverside Arms Co. name first appears in the J. Stevens Arms & Tool Co., Chicopee Falls, Mass., catalogue No. 54 issued circa 1914 on a hammerless double the No. 315 and a hammer double No. 215. These guns were based on G.S. Lewis Patents granted Feb. 10, 1914, for the hammer gun and Apr. 20, 1915, for the hammerless gun.
The Riverside Arms Co. name first appears in the J. Stevens Arms & Tool Co., Chicopee Falls, Mass., catalogue No. 54 issued circa 1914 on a hammerless double the No. 315 and a hammer double No. 215. These guns were based on G.S. Lewis Patents granted Feb. 10, 1914, for the hammer gun and Apr. 20, 1915, for the hammerless gun.