1950 Sylvania Tube Substitution Manual Amp HAM RADIO $7.99 1950 Sylvania Tube Substitution Manual Amp HAM RADIO quantity Add to cart Category: Sylvania Tags: Amplifier, Hi-Fi Amplifier, manual, Sylvania, Tube Manual, Vacuum Tube Description Description For sale is reprint 1950 Sylvania Tube Substitution Manual. Manual is 39 pages long, Includes Substitutions charts for 150Ma, 300Ma, transformer and Auto tubes, Television tubes and Picture Tubes. Related products Printed 1951 Sylvania Servicing Radio Television with VTVM $8.99 Add to cart Sylvania Model 139 Tube Tester Manual $7.99 Add to cart Fisher FM-1000 FM1000 Service Manual $7.99 Add to cart NATIONAL HRO Communication Receiver Manual $10.49 Add to cart