"Phonograph" downloads in manuals & technical

Seeburg SPECTRA PHONOGRAPH service https://www.tradebit.comel LS1. SEEBURG CORPORATION CHICAGO, ILLINOIS, U.S.A. 60622. 126 pages. General Description . . ......

SPRAYBERRY RADIO SERVICING COURSE published by the Sprayberry Academy of Radio, Chicago, IL. This was a correspondence course...