Kitty © 1937 Pace Mfg. Co.
Also released as "Kitty [Side Vender model]".
Machine's picture.
Collector's Guide to Vintage Coin Machines - Richard M. Bueschel - Page 52
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]