HistoricThese transmitters were used continually through WWII.Orange large metal casing for transmitter, transport webbing and buckle.Tin containing balloonSIGNAL CORPS U.S ARMY. RADIO TRANSMITTER BC.778.E SERIAL NO.14873, ORDER NO.5896-WF-43, Made By BENDIX AVIATION. LIMITED NORTH HOLLYWOOD CALIFORNIA

Small rectangle box (cigar box), with wooden roll, covered in copper wire,brass bar, with wooden peg which meets copper wire on roll, 2 metal pegs on outside of box, which could attach to power leads (could be crystal set) or something to do with early morse code transmission. There is a lever that can be disconnected from an electrical force, that could produce a morse code"EARTH" & "ARIEL" hand carved on one end "PHONES" (hard to decifier) on other endballarat, radio, inventions, inventor, ariel, crystal set, electricity, electronics

Original wireless radio transmitter room circa 1926. Located in the wireless room at Russell St HQThe original "police radio transmitter"motor police branch; wireless patrol; wireless operator; police radio transmitter

The Phonic Ear hearing aids were actually auditory trainers for children in school. This is the teachers transmitter which they would wear. Beige FM Microphone Transmitter with plastic loop for over the head and a small black hearing device and a microphone in the top. Individually decorated with plastic girl sticker, upside down, (put there by the wearer?) "PHONIC EAR" "FM/MICROPHONE/TRANSMITTER" on front. "PHONIC EAR/MODEL HC4211/TYPE GODKENOT" on back. "3335 173" scratched on back. deaf children australia, hearing aid, auditory training device, phonic ear