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Copy of text for label for Non-Polarised Telegraph Relay - American Pattern, 1916
Image: Telegraph Relay
Source: Museum Victoria
17. 4.16
No. 8465
Non-Polarised Telegraph Relay
American Pattern
This instrument is used in the same manner as the Siemens Non-polarised Relay - See No. 8466. Electrically it is the same but differs in the mechanical arrangement of the parts.
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Telegraph Relay - Non-Polarized, late 19th 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 ...
Images: 1
