The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 122
surface, M, against which the paper is held andis pressed by the stylus, to the earth. This recorder is extremelysimple and has no part to be moved by the current. The solutionin which the paper is dipped contains a mixture of potassiumferrocyanide and ammonium nitrate. The object of the latter is… … Fig. 83. Bains Telegraph Employing Chemical Recorder. In the cut, i? is the roll of paper, ^,is a tank of solution with roll,W^, for moistening the paper; M is the brass surface against whichthe stylus, 5, presses the paper, PF; IV, IVare feed rollers ; 7^isthe transmitting key, and zk the battery…
Electricity
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