Gramophone
PA
PA system
Victrola
audio sound system
audiophile
backing
ball cartridge
bibliofilm
binaural system
bipack
bitch box
black-and-white film
blank cartridge
bullhorn
cartouche
cassette
ceramic pickup
changer
color film
color negative film
crystal pickup
derived four-channel system
disc
discrete four-channel system
dope
dry plate
electrical transcription
emulsion
film
four-channel stereo system
frame
hi-fi
hi-fi fan
high-fidelity
intercom
intercommunication system
jukebox
magnetic pickup
microfilm
monaural system
mono
monochromatic film
motion-picture film
needle
negative
nickelodeon
orthochromatic film
pack
panchromatic film
supply chamber
ammo
ammunition
barrel
battery
bolt
bomb
bullet
caliber
cannon
container
cylinder
equipment
explosive
grenade
magazine
pin
pistol
powder
projectile
revolver
rocket
shell
slug
partridge