1930 Silver-Marshall Data Sheets (Superheterodyne, Radio, Short Wave)
Chicago, IL: Silver-Marshall, Inc., 1930. Paperback. A collection of 7 Silver-Marshall Data Sheets, 4to (c. 11 inches tall), six issues pp. 4 and one issue pp. 2. Dating from April 1, 1930 - Nov. 1, 1931 (No. 19-36) and consisiting of : 692 Power Amplifier ; 738 Short Wave Superheterodyne..... More