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 457
record- -£. 452 STANDARD BLBCTRICAL DICTIONARY. ing on a strip of paper the dots and lines forming Morse charactersas received over a telegraph line. Its general features are as follows:A riband or strip of paper is drawn over a roller wh ich is slightly-indented around its centre. A stylus or… … Fig. 285. Inking Roller Mechanism of Morse Recordbr. a current is passed through the magnet the armature is attractedand the stylus is forced against the paper, depressing it into thegroove, thus producing a mark. When the current ceases thestylus is drawn back by a spring. In some instruments a…
Electricity
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