Model F-80 © 1954 AMI [Automatic Musical Instruments].
80 selections, 45 RPM.
This was the first machine to use a folded horn concept speaker system (Produced by Rowe International, then known as AMI).
Also released as :
"Model F-40" (40 selections, 78 RPM)
"Model F-120" (120 selections, 45 RPM)
Collector's Guide to Vintage Coin Machines - Richard M. Bueschel - Page 85