Memo dated 18/5/1949, titled "6 Volt tail lamps on trams", detailing costs, proposed lights, memo dated 9/6/1949 re charging of the battery, sketches of electrical circuit with details of the equipment proposed.Yields information about the design and costs of tail lights for SECV trams 1949.Set of 8 misc size sheets - typed, hand written or drawn.tail lights, secv, geelong, electrical equipment

Boron Triflouride neutron proportional counter. Long glass tube covered in black enamelCello taped label: “20th Century Electronics” “Type G.60 Operate at 1250 Volts No. KK854” “Made in England”

Cyclo No. 2 centrifugal blower close coupled to an electric motor. Painted grey.Cyclo No. 2 on blower. Australian Electrical Industries Type HK916, 415 volts, 2905 RPM, Serial No. 299521 on motor.machinery; blower; centrifugal; metalwork

Used by the Regiment in M113 type vehiclesVHF radio which was used in the M113 family of vehicles and also as a truck and ground station. Frequency range 30 to 79.95 MHz. Manually tuned. Voice only radio. Requires 24 Volt DC power supply. Operating range about 40 Km on high power.RT 524/VRC No 46398radio, rt524.

As Bogong State School was located in a remote area especially in winter when the weather and therefore the road isolated the school for an indefinite time, the school was provided with up to date equipment with a comprehensive library and educational films that wouldn't disadvantage the students. Educational films covered all subjects and areas of the curriculum. The projector was very modern at the time. The Society for Visual Education Inc was founded in 1919 as a for-profit educational publisher dedicated to the use of new technologies in teaching.This projector was used at the Bogong State School which opened in 1941 for the children of the employees of the State Electricity Commission of Victoria who were working on the Kiewa Hydro Electric Scheme. The school was outstanding as reported by the school inspectors regarding the education of the pupils which was also supported by new and modern equipment. The nearest school was 14 km away over a dirt road that wound around the Victorian mountains and often closed due to bad weather. Bakelite box holding a globe and a small black tin projector on brown rectangular bakelite base with 4 round rubber stands at each corner. It is able to be moved upwards from the front to adjust the height within a cm. The back is a tall irregular box shape with ventilation on 2 sides of the bottom and at the top. There is a brass plaque attached above 1 vent and an electric cord, with switch, below it. Attached at each side of the front of this box is a cylinder fitted horizontally facing the front where the lense is fitted. At right angles above there is another cylinder, hollow, with a rod for the film to be placed. Globe also in Bakelite boxPlaque: Pictorial Projector / Model Q / 120 Volts. 100 Watts / No. 23736 / Manufactured / Society of Visual Education Inc. / Chicago U.S.Aprojector, bogong primary school, education, educational films, visual education, kiewa hydro electric scheme

Used in the Regiment's M113 family of vehiclesEquipment used by the RegimentVHF radio which was used in the M113 family of vehicles. It could also be set up as truck and ground station. Frequency range of 30 to 75.95 MHz, manually tuned, voice only. It requires a 24 Volt DC power supply and has operating range of about 40 Km on high power.RT524/VRC No 1645radio, rt524

Used by the Regiment in M113 family of vehiclesVHF radio which was used in the M113 family of vehicles and could also be set up as a truck and ground station. Frequency range 30 to 75.95 MHz. Manually tuned, voice only radio. Requires 24 Volt DC power supply. Operating range about 40 Km on high powerRT 524/VRC No 1432Aradio, rt-524

Used by all Royal Australian Armoured Corps vehicles. Mid 1950's to mid 1970'sEquipment used by the RegimentA HF voice and CW sender-receiver for use in vehicles or as ground station. Consists three main units - the sender/receiver, the power supply unit, and aerial tuning unit. Power supply was either 12 or 24 volt. Frequency range 1.5 - 12.0 Mc/s. Operating range up to 25 miles.Radio - No 0549, Supply unit vibratory - No 1545, Aerial Tuning Unit No 1397radio, c13