A Hand-book of the Electromagnetic TelegraphD. Van Nostrand, 1900 - 116 стор. |
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A Hand-Book of the Electromagnetic Telegraph (Classic Reprint) A. E. Loring Попередній перегляд недоступний - 2018 |
A Hand-Book of the Electromagnetic Telegraph (Classic Reprint) A. E. Loring Попередній перегляд недоступний - 2015 |
Загальні терміни та фрази
adjusted armature attracted battery to line binding posts Boilers brass break cells of battery changes of polarity Charles Salter cloth conductor Construction copper cuit cut-out diagram distant station dots and dashes electro-magnet electro-motive force equal escape Exercise folding plates Fourth edition GALVANIC galvanometer ground switch ground wire Hand-book hard rubber Illustrated independent circuits instrument insulated iron key is closed lightning arrester line coil line wire local battery main circuit morocco nected neutral relay numerous Ohm's law ohms opening and closing operation passes platinum points plug switch polar duplex polar relay pole of battery pole-changer Practical Treatise principle Prof put in circuit quadruplex quadruplex telegraph relay magnet repeating sounder revised and enlarged rheostat second coil Second edition set screw short lines shown in Fig side sistance spring Stearns duplex straps Students T. A. Edison Tables Third edition tion transmitter wires are connected zinc
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