Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 973
cal telegraph.—If a strip of paj)er is soakedin a solution of j)otassiuin fcrro( yanidc and is placed on a niclal surfaceconnected with the negative pole of a battery, on touching the paper with asteel pointer connected with the positive pole, a blue mark due to the forma-tion of Prussian blue will… … \\\v\\>\\-.%sVv^,.\\\C Fig. 932 94^ Dynamical Electricity [919- the departure station on a long strip of ordinary paper. The paper is per-forated successively by small round and elongated holes, which correspondrespectively to the dots and dashes. The strip so prepared is interposedbetween a…
Physics
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