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Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)

American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 424

An illustration from Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity, 1905, leaf 424
and insu-lator are raised in tem-perature. Iron expands Triiusforiiier Di.sLh;irj;iu- TUiuush ;i 32iu. Gap. ^^ <* ^m^-h higher rat© than glass or porcelain,and it is desirable, where an iron pin is screwed into the insulator,to place a washer of leather or cork over the top of the pin so thatthe…

Electrical engineering

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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