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Books by John W Urquhart

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Electro-typing: a practical manual forming a new and systematic guide to the reproduction and multiplication of printing surfaces and works of art by the electro-deposition of metals
🇺🇸 United States
Electro-typing: a practical manual forming a new and system…
By: John W Urquhart
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Electric light, its production and use: embodying plain directions for the treatment of dynamo-electric machines, batteries, accumulators, and electric lamps
🇺🇸 United States
Electric light, its production and use: embodying plain dir…
By: John W Urquhart
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