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Meaning of needle telegraph | Babel Free

Noun CEFR B2

Definitions

A telegraph in which the signals are given by the deflections of a magnetic needle to the right or to the left of a certain position.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

needle threader needle time needle valve needle wire needle-and-thread grass needle-clawed bushbaby

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