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'How to build a two valve set', No 15, Godfrey Philips cigarette card, 1925.
© Science and Society / SuperStock
Stock Photography Category:
Image Keywords: 1920s, building, components, diagrams, DIY, England, equipment, fixing, instructions, kits, radios, receivers, rotating, science museum, Step-by-step, telecommunications, wiring
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Contemporary
Rights-Managed
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Immediate
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