Principles of Electricity Applied to Telephone and Telegraph Work: A Training Course Text Prepared for Employees of the Long Lines Department, American Telephone and Telegraph Company
American Telephone and Telegraph Company, 1928 - Electricity - 240 pages
What people are saying - Write a review
We haven't found any reviews in the usual places.
Resistance of Various Metal Conductors
Electrical Properties of Copper Conductors
42 other sections not shown
alternating current amperes amplifier apparatus armature attenuation balance battery bridge transformer called capacity carrier condenser conductor connected contacts cord circuit crosstalk cuit current flow current values curve cycles direct current distant end effect electrical electromotive force energy equal equation filament frequency grid illustrated by Figure impedance increase induced E.M.F. inductance insulation jacks lamp length line circuit lines of force loading coil long distance loop magnetic field measured meter nected non-loaded ohm winding Ohm's Law ohms open wire operation output phantom plate pole positive ratio reactance relay repeating coil represented resistance ringer ringing current shown in Figure shunt signal sine wave source of E.M.F. switch switchboard tance tele telegraph circuit telephone circuit telephone repeater terminals testboard tion toll line toll switching trunk transmission transmitting unit vacuum tube vector voice current voltage volts west station Wheatstone bridge zero