It sounds like a Ragtime Automated Music mechanism.  They are
still in business, as far as I know, and they have a web site
at http://www.ragtimewest.com 

Larry Mayo

 [ Ragtime Automated Music
 [ 4218 Jessup Rd., Ceres, CA 95307 U.S.A.
 [ Telephone: (209) 667-5525  FAX: (209) 634-2667
 [ Orders: (209) 634-8475
 [ http://www.ragtimewest.com/Orderform.htm