What does cross-wires mean?
Cross-wires means Alternative form of cross wires..
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Pronunciation varies by accent · noun
Alternative form of cross wires..
The collimator consists of a convex lens at the end of a tube, with a vertical slit, or a pair of cross-wires, in the focus; the telescope is a common telescope with a positive eye-piece, and a pair of cross-wires in the focus of the eyepiece.
This is so adjusted that the image of the cross-wires C formed by reflection at the surface of the glass plate coincides with the cross-wires themselves without parallax.
As the telescope is swung round, the slit image for each wavelength is brought into coincidence with the cross-wires.
A small telescope, having a magnifying power of about seventy diameters, with cross-wires fixed in its eyepiece, is firmly fixed with adjusting screws to the back of the cell, and pointed through the hole in the cell and mirror towards the focus of the mirror, where the photo-plate is fixed.
Use cross-wires when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cross-wires means Alternative form of cross wires..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The collimator consists of a convex lens at the end of a tube, with a vertical slit, or a pair of cross-wires, in the focus; the telescope is a common telescope with a positive eye-piece, and a pair of cross-wires in the focus of the eyepiece.
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