27 resultados para Electric currents, Alternating.
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"A compilation of many of the most valuable instruction books of the American school of correspondence."--Forword.
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Mode of access: Internet.
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"Credit is largely due to Frank D. Graham ... for the authorship of the Guides, and for the original sketches illustrating electrical principles and construction."--Pref. to no. 1.
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On cover: Extension course on metering of alternating current.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"8 October 1982."
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"18 October 1982."
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Includes index.
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Includes index.
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Mode of access: Internet.