Telegraph Engineering: A Manual for Practicing Telegraph Engineers and Engineering StudentsD. Van Nostrand Company, 1915 - 406 стор. Simplex, duplex and quadruplex telegraphy, weatstone automatic and printing telegraphy, office equipment, fire-alarm and police patrol stations, railway signal systems, telegraph lines and cables, submarine cable transmission. |
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Інші видання - Показати все
Telegraph Engineering: A Manual for Practicing Telegraph Engineers and ... Erich Hausmann Повний перегляд - 1922 |
Telegraph Engineering: A Manual for Practicing Telegraph Engineers and ... Erich Hausmann Повний перегляд - 1915 |
Telegraph Engineering: A Manual for Practicing Telegraph Engineers and ... Erich Hausmann Повний перегляд - 1915 |
Загальні терміни та фрази
actuated alarm alternating current alternating-current ampere apparatus houses armature artificial line automatic B+ja battery block signal cable capacity cells cents cloth Company condenser conductor connected copper wire cosh cosh ys current and voltage current flows current pulses current traverses curve dash depressed diameter direct current direction distance duplex circuit Edition Electric electromagnet electromotive force Engineering equation fire-alarm ground Illustrated inches indicated inductance insulation resistance lamp letters lever line coils line wire magnet messages milliamperes motor neutral relay ohms operation polar duplex polarized relay pole pole-changer position quadruplex quadruplex telegraph R+jpL R₂ railway receiving instrument relay armature relay coils repeater REPEATING COIL respectively selenium semaphore sheath shown in Fig signal box signal systems signal wheel simplex simplex signalling sinh ys sounder switch switchboard tape telegraph line telephone terminal terminal station thereby tion track trans transmission transmitter type-wheel voltage volts Western Union winding ΙΟ
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