(n.) An attachment to a microscope, telescope, or other optical instrument, for making the image erect instead of inverted.
ERECTOR
Meaning of ERECTOR in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) An attachment to a microscope, telescope, or other optical instrument, for making the image erect instead of inverted.
Webster's English dictionary. Английский словарь Webster. 2012