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GPO METER IN LEATHER CASE, 1960's

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GPO METER IN LEATHER CASE, 1960's

Test meter for GPO engineers with instructions for use. Very basic knob and terminals used with a variety of shunts. Marked on the front label (310506) 4 GPO TRA. 64/10. No more is known at present.

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A1568



2007 The Museum of Technology, The Great War and WWII
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