Weatherproof telephone ResistTel
Keyboard plate 21, sw, complete
Surge diver
Weatherproof Telephone FernTel 3 black w/t Display
buzzer
Telecommunication Signal Combination FSK (Twin)
hooter
INDUSTRIAL FIXED TELEPHONE
Handset with spiral cord
Headset for Ex-Telephone ExResistTel
Telephone ExResistTel
Signal Horn
HANDSET, FOR RESISTEL TELEPHONE, WITH ARMOURED CORD
HEARING CAPSULE
Microphone full line
Alarm clock
hooter
Fernsig sound powered phone
hooter HPO
Motor siren
Bell
Motor-Siren
