add. ·noun 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 English vocab. Английский словарь Webster. 2012
add. ·noun an instrument used for double writing, as one for producing embossed writing for the blind and ordinary writing at the same time.
Webster English vocab. Английский словарь Webster. 2012