Definitions
from The Century Dictionary.
- noun In telegraphy, a peculiar key used in operating submarine cables, designed to prevent the prolongation and confusion of signals growing out of induction.
Etymologies
Sorry, no etymologies found.
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Examples
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Thomson in an ingenious 'curb-key' for sending signals automatically through a long cable; but although tried, it was not adopted.
Heroes of the Telegraph John Munro 1889
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