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Easy electrical experiments and how to make them; (1918)

Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 202

An illustration from Easy electrical experiments and how to make them;, 1918, leaf 202 — begun upon the board D, Fig. 4,as a base, the sections being piled up around the primary.Between the first section and D is to be placed a woodenring whose outside diameter is 3% inches, and whose thick-ness is % inch. After piling up nine of the smaller sections,insert another wooden ring whose… … Fig. 6.

Electric apparatus and appliances · Electricity

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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