Atkinson, Philip. [from old catalog] · New York, The Century co. · leaf 31
Fig. 1. convenient point, which may be closed for the transmis-sion of the current, or opened for its interruption, invarious ways, as by a sivitch, or a spring operated by apush-button. The switch, in its simplest form, as shownin Fig. 1, is a strip of brass or copper which can be turned 10… … on a hinge by an insulating handle, and forms part of thecircuit, which can thus be opened or closed. They aremade in a great variety of forms adapted to various uses,some of them of very elaborate construction, but all on the same generalprinciple. Thepush-button,shown in Fig. 2,is well known…
Electricity
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