Here are the other H&D Folsom Arms Co. entry-level doubles from Catalogue No. 18, the basic hammerless double was called the No. 6 Knickerbocker --
By H&D Folsom Catalogue No. 23 they had changed from using the American Gun Co. name to using Crescent name and the No. 6 had become the Peerless (The Old Knickerbocker Improved) --
The first appearance of the "New Empire" name I find is in H&D Folsom Arms Co. catalogue No. 31 which is dated 1929-30 --
H&D Folsom sold their gun factory in Norwich to Savage in 1930 and Savage combined it with their recently acquired Davis-Warner Arms Co., as the Crescent-Davis Arms Corp. and Crescent-Davis was offering a line Crescent and a line of Davis guns by January 1931.