Mills Bar-B-Que Slot MECHANISM
Found this on eBay. Checkout the other photo's.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250540244844&_rdc=1
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250540244844&_rdc=1
Forum for those interested in antique coin operated devices
https://www.coinopcollectorforum.com/
https://www.coinopcollectorforum.com/viewtopic.php?f=8&t=977