Big Ben
annalist
automatic switch
calendar maker
calendarist
channel selector
check valve
chronicler
chronographer
chronologer
chronologist
chronometer
clock
clock movement
clockmaker
clockworks
contour follower
control valve
diarist
electronic control
emergency control
finder switch
flowmanostat
horologe
horologist
horologium
internal selector
rectifier
register regulator
safety control
safety fuse
safety stop
safety switch
safety valve
selector switch
sequence switch
servo valve
thermoswitch
ticker
timekeeper
timepiece
turnip
voltage regulator
voltage stabilizer
watch
watchmaker
watchworks
governor
official
regulator
amplifier
analog
circuitry
controller
detector
generator
hardware
indicator
input
microcontroller
microprocessor
monitor
oscillator
processor
receiver
relay
reset
selector
switch
thermostat
transmitter
trigger
Shimer
climber
dimer
eimer
old-timer
primer
rhymer
rimer