Leeds University Digital Library

Physics Instruments - Valves

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Number of items: 4.

Analyser and valve tester

Weston Electrical Instrum (c.1935) Analyser and valve tester. [Image]
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Valve

(1940's) Valve. [Image]
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(1940) Valve. [Image]
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Canadian General Electric (1950) Valve. [Image]
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