A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 453
prepared paper. A fillet of paper soaked in some chemical sub-stance, such as ferro-cyanide of potassium, ismoved at a uniform rate between the two ter-minals of the line, one of which is iron tipped, sothat on the passage of the current, a blue dot, or adash, will be made on the paper according to… … Fig. 467. Bain Recorder. A Bain recorder is shown in Fig. 467. A, isa drum of brass, tinned on the outside. Thepaper fillet is drawn from the roll and keptpressed against the cylinder A, by a small woodenroller B. The needle, which is a metallic point,is placed in connection with one end of the…
Electricity · Electrical engineering
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