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TABLES Conversion Factors 1 Standard Times and Time Signals
perties of Elements Alloys Electrolytes Insulators 20 Dielectric
FORMUUE Capacity 53 SelfInductance 57 Mutual Inductance
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ABAC adjusted aerial alternating current amperes amplitude anode apparatus armatures arrangement capacity cathode cent centimetre charge choking coils coefficient condenser conductors connected copper coupling cubic centimetre curve damped damped waves density detector diameter diaphragm dielectric dielectric strength direct current disc discharge distance e.m. units earth effect efficiency electric electrodes electrolytic electromagnetic energy equal filament flux formula frequency frequency changer given grid high-frequency inductance insulated ionised Joule length magnetic field Marconi Marconi Company mast maximum metal method metres microphone obtained ohms oscillations parallel plates pliotron potential primary circuit produced quenched spark radiation radius ratio receiving antenna relay resistance resonance rotating sending shown in Fig shunt signals solenoid spark-gap station steel strays surface Telefunken telegraphy temperature ticker transformer transmitting tube tuning usually valve varying vibration voltage volts watts wave-length waves winding wire wireless wireless telegraphy