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单词 eyepiece micrometer
释义

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eyepiece micrometer
eyepiece micrometer n. a scale of measurement inside an eyepiece that can be viewed at the same time as the image, on which it appears superimposed; an eyepiece incorporating such a scale.
ΚΠ
1813 D. Brewster Treat. New Philos. Instruments vii. 59 I sent a drawing and description of the eye-piece micrometer to Mr Carey.
1857 Q. Jrnl. Microsc. Sci. 5 47 The spores had essentially the same characters. As measured by an eye-piece micrometer..they generally varied in length from 1/ 1100 to 1/ 1500 inch.
1959 N.Z. Jrnl. Agric. Res. June 559 The cell heights were measured using an eye piece micrometer.
2011 H. D. Lujan & S. Svärd Giardia xxii. 357/2 The scale on the eye-piece micrometer and the image of the object are seen simultaneously.
extracted from eyepiecen.
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更新时间:2024/12/22 17:36:33