Tektronix Type 3B4 Plug-In Instruction Manual Schematics Calibration Maintenance

Tektronix Type 3A6 Plug-In Instruction Manual (has shop wear)

Original Tektronix Type 3A6 Plug-in Module Dual Trace Amp - Instruction Manual

Tektronix Type 3A6 Dual-Trace Amplifier Plug-In Instruction Manual

TEKTRONIX TYPE 3A6 PLUG - IN INSTRUCTION MAINTENANCE GUIDE MANUAL BOOK

Tektronix Type 3A6 Plug In Unit Instruction Manual Original B4

Tektronix Type 3B3 Plug-In Instruction Manual Schematics Calibration Maintenance

Tektronix Type 3A6 Plug-In Instruction Manual 070-419