Items tagged telegraphy in MV Collections
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Items per page: 10 50 (showing 41 - 50) 137 items
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Telegraph Receiver - Breguet Alphabetical Type, circa 1870
Receiver of an alphabetical telegraph system of the Breguet alphabetical type. The other component of the system is the communicator. This receiver is a component of one of the first e ...
From: London, United Kingdom Images: 0 -
No Image Available
Telegraph Key - Reversing, circa1900
Reversing telegraph key used for the transmission of signals in the electric telegraph system. This type of key was used in conjunction with long submarine telegraph cables which dis ...
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Telegraph Key - E. A. Machin, Reversing, circa1911
Reversing telegraph key used for the transmission of signals in the electric telegraph system. This type of key was used in conjunction with long submarine telegraph cables which dis ...
From: Melbourne, Australia Images: 0 -
Telegraph Line Insulator - Bullers, Date Unknown
White porcelain telegraph line insulator with double umbrella shape. Said to come from the East-West Transcontinental Telegraph Line in Western Australia. Manufactured by Bullers Ltd. ...
From: London, United Kingdom Images: 2 -
Telegraph Line Insulator - Bullers, Date Unknown
White porcelain telegraph line insulator with double umbrella shape. Said to come from the East-West Transcontinental Telegraph Line in Western Australia. Manufactured by Bullers Ltd. ...
From: London, United Kingdom Images: 2 -
Telegraph line Insulator - Bullers, Date Unknown
White porcelain telegraph line insulator with double umbrella shape. Said to come from the East-West Transcontinental Telegraph Line in Western Australia. Includes metal supporting brac ...
Images: 2 -
Telegraph Key - Chester, 1855-80
"Camelback" telegraph key, so-called because of its distinctive curved shape. The key was used for the transmission of signals in the Morse electric telegraph system and was manufacture ...
Images: 1 -
Telegraph Line Insulator - Date Unknown
White porcelain telegraph line insulator with double umbrella shape. Said to come from the East-West Transcontinental Telegraph Line in Western Australia. Includes several fragments fr ...
Images: 2 -
Telegraph Instrument - Cooke & Wheatstone, Single-Needle, circa 1845
Single needle telegraph instrument, patented by Cooke and Wheatstone in 1845. This instrument is an example of a needle telegraph system which pre-dated the morse telegraph system and ...
From: Armadale, Australia Images: 6 -
No Image Available
Telegraph Relay - Creed, Polarized, early 20th Century
Relay used at telegraph receiving stations, particularly those operating on long connecting lines. Often signals received over long lines were too weak to operate the receiving instrume ...
From: London, United Kingdom Images: 0



