Ampro - Model 730 - Tape Recorder - Original Service Manual - 1951

Eicor - Model 15 - Tape Recorder - Original Service Manual - 1951

Recordio- Model 1B10 - Tape Recorder - Original Service Manual - 1951

Masco - Model ME-52 - Amplifier - Original Service Manual - 1951

Masco - Model MB-60 - Amplifier - Original Service Manual - 1951

Astrasonic - Model T-3 - Reel Recorder - Original Service Manual - 1951

Masco - Model TD-16 - Phono - Original Service Manual - 1951

Masco- Model ME-52 - Amplifier - Original Service Manual - 1951