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

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

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

A portable radio receiver and VHF transmitter used by the Sea Pilot Service. An early model used from about 1956 for ship-to-ship and ship-to-shore communication during arrival and departure procedures.Used by the Port Phillip Pilot service in the 1950sMiniphone radio receiver / transmitter and carry bag MFD by Commonwealth Electronics Pty Ltd Type No 180TRN Serial No 184communication, radio receiver and transmitter

Squat yellow transmitter used in emergency life rafts carried by aircraft on flights over water. Shape enabled it to be held between knees to crank generator to provide signal. known as the 'Gibson Girl" radio because of its waisted shape. ("Gibson girl " was a marketing image of a woman with a curved waist).RA (Crown emblem). A.F. Indent No. Y11OD/500320.transmitter