That will help, I'll search those names. In the meantime I just purchased an EA Labs "Premiere" on Ebay. It's a motor horn and will probably work just as well.
Hi Don. I also found no I.D.. plate on my horn. The Nov. 22 parts book gives a part no 20415 made by the General phonograph MFG co, of Elyria Ohio, I hope that this info helps Bert