(n.) An instrument used for double writing, as one for producing embossed writing for the blind and ordinary writing at the same time.
DIPLOGRAPH
Meaning of DIPLOGRAPH in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) An instrument used for double writing, as one for producing embossed writing for the blind and ordinary writing at the same time.
Webster's English dictionary. Английский словарь Webster. 2012