Meaning of siphon recorder | Babel Free
Definitions
An instrument used to record the receipt of a telegraph message as an ink line on a roll of paper tape to be read back later by a trained operator.
historical
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.