Test Equipment

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AVO Signal Generator

Type 1

AVO Signal Generator

Type 2

 AVO Signal Generator

Type 3

 Heathkit Condenser Checker

 HP 431C Power Meter

AVO Valve Tester MkII

 Marconi Universal Bridge, TF868/1

 Pye Spot Galvanometer

 Apprentice's Oscilloscope

 Decade Resistance Box

 AVO Valve Tester

 Marconi TF1370 Signal Generator

 Bird Model 43 Wattmeter

 Home brew RF Probe

 Home brew Directional Coupler

 Cambridge Instruments Potentiometer

Marconi TF2008 Signal Generator

 Rigol DSA-815TG

 Home brew DC Blocker

 Marconi RF Power Meter

 Gambrell Resistance Box

 Marconi TF1020A Wattmeter

 Wavetek Signal Generator Type 2407

 Philco Radio Testmeter

 Marconi AF Power Meter

 Cambridge Slide Wire Potentiometer

Marconi TF1152A Wattmeter

 Modular Resistance Boxes

 General Radio 605B Signal Generator

 Foster Portable Potentiometer

Cable Insulation tester

Modern Resistance Boxes

 Bakelite Resistance Units

 HP 608E VHF Signal Generator

 Taylor RF Signal Generator

Cossor Grid-Dip Meter

 Solartron Signal Generator, OS101

 Bridge Megger

 Tektronix Type 454 Oscilloscope

 Earth Leakage Testers

 Sullivan Wheatstone Bridge

 Early Resistance Box (1920)

 Toyo Dummy Load

 HP 8551B Spectrum Analyser

 VHF Oscillator

 Reference Battery

Cossor 1052 oscilloscope 

 

Marconi Audio Power Meter 

 

Crystal Calibrator No7 Mk1

 

Universal IC Tester 

Heathkit SWR Bridge-HF

 Heathkit SWR Bridge-2m

 Le Croy 9450 oscilloscope

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