Multi Bell © 1936 A.C. Novelty Co.
3-reel, 7-way, 7 Jack Pot
Machine's picture.
Collector's Treasury of Antique Slot Machines from Contemporary Advertising - Peter Bach - Page 147
Collector's Guide to Vintage Coin Machines - Richard M. Bueschel - Page 48
For Amusement Only - Thomas Gustwiller - Taylor Printing - 1995 - Page 37
The Coin Machine Journal - January 1940 issue
Loose Change Blue Book for Slot Machines [4th Edition] - Daniel R. Mead