Index S...

sabine	Reverberation
selective fading	Sky-Wave Propagation
selective ringing	Line Connections in Common-Battery Systems
selector switch	The Selector Switch
selenium rectifier	Selenium Rectifiers
self inductors	Inductor
self-impedance	Driving-Point Impedance of Periodic Antennas
self-inductance	Self-Inductance
semiselective ringing	Line Connections in Common-Battery Systems
series resistance	Linear Electrical Constants of Cables
series resonance	Series (Phase) Resonance
series self-inductance	Linear Electrical Constants of Cables
series unbalance	Line Unbalances
series-resonant circuit	Parallel (Phase) Resonance
shielding	Shielding
ship radio-telephone	Ship Radio-Telephone Systems
short-circuited line	Input Impedance of Any Short-Circuited Line
	Voltage Distribution on a Short-Circuited Lossless Line
	Current Distribution on a Short-Circuited Lossless Line
shorted lines	Input Impedance of Open and Shorted Lossless Lines
shunt capacitance	Linear Electrical Constants of a Transmission Line
	Linear Electrical Constants of Cables
shunt conductance	Linear Electrical Constants of a Transmission Line
	Linear Electrical Constants of Cables
sideband	Analysis of an Amplitude-Modulated Wave
sidetone circuit	Sidetone Circuits
sidetone-reduction circuit	Sidetone Circuits
signal distortion	Telegraph Distortion
signal scrambling	Transoceanic Low-Frequency Radio-Telephone Systems
silicon carbide varistor	Varistors
silicon steel	Magnetic Materials Used in Communication
simplex operation	Polar Direct-Current Telegraph Systems
simplex telegraphy	Simultaneous Telephone and Telegraph Operation
simplification of networks	Simplification of Networks
singing arc	Miscellaneous Receivers and Loudspeakers
skin effect	Resistance
sky-wave propagation	Sky-Wave Propagation
sound	The Nature of Sound
sound absorption	The Transmission of Sound
sound insulation	Sound Insulation
sound transmission	The Transmission of Sound
sound-absorbing coefficients	Reverberation
sound-powered transmitter	The Magnetic "Sound-Powered" Telephone Transmitter
space wave	Radio Wave Transmission Paths
space-wave propagation	Space-Wave Propagation
speech power	Speech Power
speech sounds	The Production of Speech Sounds
speed	Telegraph Transmission Theory
standing wave	Voltage Distribution on an Open-Circuited Lossless Line
	Current Distribution on an Open-Circuited Lossless Line
stationary wave	Voltage Distribution on an Open-Circuited Lossless Line
step-by-step dial system	The Development of Telephone Service
	Step-by-Step Dial Systems
step-by-step switch	The Strowger Step-by-Step Switch
step-by-step system	Step-by-Step Dial Equipment
stray capacitance	Shielding
string telegraph	Early Attempts to Transmit Speech Mechanically
Strowger switch	The Strowger Step-by-Step Switch
stub matching	Antenna Feeder Systems and Impedance-Matching Networks
studio	Acoustics of Studios
submarine cable	Submarine Telephone Cables
submarine cables	Submarine Telegraph Cables
submarine telegraph cable	Submarine Telegraph Cable Service
submarine telegraphy	The Development of Submarine Telegraphy
subscriber line	Line Connections in Common-Battery Systems
	Subscriber Lines
superheterodyne radio	The Establishment of Radio Communication
superheterodyne radio receiver	Frequency-Modulation Radio-Telephone Receivers
superheterodyne receiver	Amplitude-Modulation Radio Receivers
	The Superheterodyne Radio Receiver
Supermalloy	Permalloys
superposition theorem	Network Theorems
suppressor grid	High-Vacuum Thermionic Five-Electrode Tubes
surface wave	Radio Wave Transmission Paths
surge impedance	Characteristic Impedance
switchboard	Magneto Local-Battery Switchboard
	Common-Battery System - Multiple Switchboard
	Operation of the Common-Battery, Multiple Switchboard
	Tandem Trunking
switching systems	Telegraph Switching Systems
symmetrical transducers	Electric Transducers