Items tagged telecommunications in MV Collections
Search the collections
(showing 1 - 10) 10 items
-
Bridging Amplifier - Telegraphy, circa 1870s-1890s
Thomson amplifier, bridging type. This instrument can be placed across two wires of a communication channel to monitor the signal without causing any interference or disruption. Use ...
From: South Yarra, Australia Images: 1 -
No Image Available
Teleprinters - Teletype Model 15, 1940s
Two Teletypes (Model 15) made by the Teletype Corporation in the United States and used in telegraphic communication systems. Input was via a keyboard and output appeared as printed cha ...
From: Skokie, United States Images: 0 -
No Image Available
Telegraph Transmitter Distributor - Teletype Model UA14
The Teletype Corp Model 14TD Transmitter-Distributor was used in telegraphic communication systems. Messages coded as patterns of holes in a paper tape were fed into the device which co ...
From: Skokie, United States Images: 0 -
No Image Available
Telegraph Transmitter - Siemens Model M100, Keyboard Repeater Perforator, 1960s
Siemens Model 100 Keyboard Repeater Perforator Transmitter used in telegraphic communication systems for preparing and transmitting messages encoded as patterns of holes in paper tape.
Images: 0 -
No Image Available
Telegraph Reperforator - Teletype, Keyboard Typing, 1940s
Teletype Corporation Keyboard Typing Reperforator used in telegraphic communication systems to perforate paper tape with patterns of holes representing coded telegraph messages.
From: Skokie, United States Images: 0 -
No Image Available
Diagram - Geelong Telephone Exchange, 1952
Diagram of equipment layout in Geelong telephone exchange as it was in 1952. Drawing has been annotated in pencil, indicating changes to layout.
From: Geelong, Australia Images: 0 -
Telegraph Register - Siemens Bros, Inking, post 1865
A morse inking register for receiving and recording telegraph signals. In operation, the intermittent current generated by the received signals causes a small rotating wheel to be int ...
From: London, United Kingdom Images: 1 -
Electrical Tester - Submarine Cable, before 1880
Instrument used for electrical testing of submarine telegraph cables, probably prior to 1880.
Images: 1 -
Cable Samples - Submarine Telegraph, Victoria & Tasmania, 1875 to 1905
A short section of telegraph cable used between Victoria and Tasmania, 1875-1905, including fragments of cable covering
From: Melbourne, Australia Images: 3 -
Photograph - Telecom Australia Exhibit, The Melbourne International Centenary Exhibition, ...
Black & white photograph of Telecom Australia's exhibit at the Melbourne International Centenary Exhibition held at the Royal Exhibition Buildings, Melbourne, between 23 September and 5 ...
Images: 1
