Recordio - Model -6B10 - Phono-Recorder - Original Service Manual - 1946

RCA - Model - MI-13159 - Amplifier- Original Service Manual - 1946

RCA - Model MI-13159 - Amplifier - Original Service Manual - 1946

Brociner - Model Mark 10 - Amplifier - Original Service Manual - 1956

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

Roberts- Model PA-10 -PreAmplifier - Original Service Manual - 1960

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

Knight - Model 93-191 - Amplifier - Original Service Manual - 1946