
Cooke and Wheatstone telegraph
Five-needle telegraph of 1837 that pointed to letters on a grid; it had no C, J, Q, U, X or Z.
Artifact- Identifiers
- Wikidata Q5167034
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Five-needle telegraph of 1837 that pointed to letters on a grid; it had no C, J, Q, U, X or Z.
ArtifactSources:
Sources: