908 resultados para security of electricity supply


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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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First published, June 1931. Reprinted, July 1932 ... August 1939."

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Includes bibliographical references.

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Mode of access: Internet.

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Mode of access: Internet.

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On cover: Endorsed by Thos. A. Edison.

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Mode of access: Internet.

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Goldsmiths'-Kress no. 20788.

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The articles on electricity and magnetism were selected form Biot's Précis élémentaire de physique ; that on electro-dynamics is from Despretz's Traité élémentaire de physique, 4. éd., 1836.

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In some copies, two additional plates showing the deflagration of wires are inserted.