Baille, Jean Baptiste Alexandre, b. 1841, Armstrong, John W., ed · New York, Scribner, Armstrong, and co. · leaf 159
form that the dispatches aredelivered. At other times the paper is treated withan acid decoction of gall nuts, by means of which 134 WONDERS OF ELECTRICITY. a white design is obtained, which is a non-conduct-or of electricity. This design may evidently beemployed as the original design on the plate… … Casellis Transmitter. lum moves from left to right, and when the lattermoves from right to left, it is raised and does notwork. It is the same with the receiver. In ordertherefore that he might not lose half his time andpower, M. Caselli made his machine double. By theside of one dispatch he placed…
Electricity
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