tor's receiver

P

Packing of transmitters
Permeability
Pitch
Doppler's principle
vibration of diaphragms
Polarity method of selective signaling
Polarization of cells
Polarized ringer
brazed bell
Kellogg
Western Electric
Poole lock-out system
Primary cells
conventional symbol
series and multiple connections
simple voltaic
types of
closed-circuit
Fuller
gravity
Lalande
prevention of creeping
setting up
open-circuit
Le Clanche
standard
chloride of silver
Propagation of sound
Protective means
against high potentials
air-gap arrester
advantages of carbon
commercial types
continuous arcs
discharge across gaps
dust between carbons
introduction of impedance
metallic electrodes
vacuum arresters
against sneak currents
heat coil
sneak-current arresters
against strong currents
fuses
enclosed
mica
proper functions
central-office protectors
self-soldering heat coils
sneak-current and air-gap arrester
city exchange requirements
complete line protection
electrolysis
subscribers' station protectors
ribbon fuses
Pulsating-current commutator

R

Receivers
Dean
direct-current
early
Kellogg
modern
Monarch
operator's
single-pole
symbols
Western Electric
Reluctance
Repeating coil
Ribbon fuses
Ringer symbols
Ringing and listening key
Robert's latching relay
Robert's self-cleansing arrester
Rolled condenser

S

Saw-tooth arrester
Selective party-line systems
broken-line method
classification
broken-line systems
harmonic systems
polarity systems
step-by-step systems
harmonic method
polarity method
step-by-step method
Self-induction
Signal code
Signaling, method of
Silk and cotton insulation
Single electrode
Single-pole receiver
Sneak-current arresters
Solid-back transmitter
Sound
characteristics of
loudness
pitch
timbre
Standard cell
Step-by-step lock-out system
Step-by-step method of selective signaling
Subscribers' station protectors
Switchboard cords
Switchboard plugs
Switchboard transmitter
Symbols
battery
condenser
generator
hook switch
impedance coil
induction coil
receiver
repeating coil
ringer
ringing and listening key
transmitter

T

Table