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object glass
object glass
noun
- optics another name for objective
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Word History and Origins
Origin of object glass1
First recorded in 1655–65
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Example Sentences
See Prism, Ð Achromatic telescope, or microscope, one in which the chromatic aberration is corrected, usually by means of a compound or achromatic object glass, and which gives images free from extraneous color.
From Project Gutenberg
This is conveniently done by cutting a large hole, the size of the brass cell of the object glass, through a sheet of corrugated strawboard, and slipping this on over the cell.
From Project Gutenberg
The object glass only of the telescope was used.
From Project Gutenberg
They make a cross line on my object glass.
From Project Gutenberg
"Except that I have replaced the object glass with the lens I picked up the other day at Thaneford's crow's-nest on Sugar Loaf."
From Project Gutenberg
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