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Оксидирование, покрытие темного цвета
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Blued, английский
Said of a steel nail surface that has been heated so that its surface takes on an oxidized bluish hue. blue lias lime (brit.) a hydraulic lime obtained by burning blue lias limestone. when mixed with water, it has a set which is not characteristic of regular limes.
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Eyepiece, английский
A lens assembly intended primarily for viewing the image formed by previous optics within the system. f/numberthe focal length divided by the diameter of the axial beam on the entrance pupil when the object is at infinity. f/# = f/d = ? sin uk uk = angle subtended at the image by the converging rays from the lens.
Blued, английский
Said of a steel nail surface that has been heated so that its surface takes on an oxidized bluish hue. blue lias lime (brit.) a hydraulic lime obtained by burning blue lias limestone. when mixed with water, it has a set which is not characteristic of regular limes.
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