Related terms:
dial
coil
relay
crossbar
solenoid
energized
handshake
dial service
switches
solid state
contacts
primary winding
automation
output voltage
switching equipment
transformer
programmable
transistor
load
power supply
transmitter
input
switch
notation
ibm
telephone
output
voltage
numbers
circuit
Wikipedia sources:
Relay
History of television
Telephone exchange
Voltage regulator
Electricity meter
Pinball
Algorithm
Electronic music
Inverter (electrical)
Area code 408
Ladder logic
Electrical engineering
Serial port
Harvard Mark I
Grand Central Terminal
Rhodes piano
Context for words:
electromechanical
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