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Theory and practice of the electric telegraph; a manual for operators and students (1875)

Churchill, Charles Henry, d. 1904. [from old catalog] · Oberlin, Ohio, Sherman & bros. · leaf 80

An illustration from Theory and practice of the electric telegraph; a manual for operators and students, 1875, leaf 80
troke,caused by closing thecircuit. 2d. If the localsounder docs not ope- ■— does, the fault must beJjocal Sounder. in the local circuit. Ail the local connections must then beexamined till the cause of the mischief is discovered. .7. The Register.—Ho what defects is the action of the register… … 60 MANUAL OF TELEGRAPHY. the fault of the paper, which is not cut of uniform width. Ifthe guides are adjustable separate them slightly. Otherwiseremove the paper and put in new. 3d. The armaturemay stick. This happens when the arm-ature is allowed to touch the cores of the electro-magnet. Itis…

Telegraph

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