Slot Machine published 81 years ago by Keeney & Sons, Inc.

Not listed in MAME yet.

Summertime © 1940 Keeney & Sons, Inc.

Electro mechanical with lots of lights and runs off gears and contact relays.

Play is typical slot machine except they light up, no spinning reels. Only has a credit counter. Has a feature option where you can loose, even, double or triple your win.