Rhein - Model - 104 - Amplifier - Original Service Manual - 1956

Newcomb - Model - D-12 - Amplifier - Original Service Manual - 1956

Clark- Model PA-10 - Amplifier - Original Service Manual -1946

Masco - Model CM-10 - Amplifier - Original Service Manual - 1954

Grommes - Model 216BA - Amplifier - Original Service Manual - 1956

Grommes- Model 56PG - Amplifier - Original Service Manual -1956

Challenger - Model HF8A - Amplifier - Original Service Manual - 1956

Harman-Kardon- Model A-10 - Amplifier - Original Service Manual -1959