(n.) Any mechanical engraving process depending upon chemical action; specif., a process of zinc etching not employing photography.
CHEMIGRAPHY
Meaning of CHEMIGRAPHY in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) Any mechanical engraving process depending upon chemical action; specif., a process of zinc etching not employing photography.
Webster's English dictionary. Английский словарь Webster. 2012