Multi Bell Vender [Mystery payout] © 1936 A.C. Novelty Co.
3-reel 7-way bell.
Also released as "Multi Bell Vender [Regular payout]".
Collector's Guide to Vintage Coin Machines - Richard M. Bueschel - Page 48
The Coin Machine Journal - January 1940 issue
Loose Change Blue Book for Slot Machines [4th Edition] - Daniel R. Mead