AC motor
Corliss engine
Otto engine
PCV valve
Wankel engine
accelerator
actuator
aeromotor
agent
air engine
alternator
ammeter
amplifier
ancestors
anode
apprentice
architect
armature
artificer
artist
attenuator
audio-frequency tube
author
autoconverter
autostarter
autotransformer
ballast regulator
ballast tube
battery charger
beam engine
beam-switching tube
bearings
begetter
beginner
blowing engine
bonnet
boot
brake
brush
bucket seat
builder
bumper
cam engine
camshaft
cap
capacitator
capacitor
capacitor motor
carburetor
catalyst
generating tone
generatrix
apparatus
setup
battery
circuit
controller
converter
detector
device
drive
filter
machine
module
monitor
motor
output
pulse
pump
receiver
tank
transmitter
cogenerator