Ithaco Current Amplifier Model 1211 Instruction & Maintenance Manual

ITHACO, Inc. 3512 Ratiometer Instruction & Maintenance Manual

1955 Radiation Survey Meter Instruction & Maintenance Manual V-710 Model 2

1966 University Sound CDV-705 Model 2 Instruction & Maintenance Manual CD V-705

Original Tektronix Instruction Manual for the 7A11 Amplifier

1959-60 Radiological Survey Meter Instruction & Maintenance Manual V-700 Model 5

Original Tektronix Instruction Manual for the AM 502 Differential Amplifier

Instruction Manual (later) for the Tektronix 502 Dual-Beam Oscilloscope