Measurement Techniques

, Volume 5, Issue 9, pp 726–728 | Cite as

Measurement of small holes by means of the “magic eye”

  • B. Ya. Verkhoturov
Linear Measurements


Estimation of the errors in measuring diameters of small holes by means of a universal microscope and a “magic eye” has shown that it is the most accurate contact method and can be recommended for measuring holes of the first grade of accuracy.


Physical Chemistry Analytical Chemistry Small Hole Contact Method Universal Microscope 
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Literature cited

  1. 1.
    G. B. Kainer, Raising Accuracy in Measuring Internal Dimensions of Components [in Russian]. TsITÉIN, 1960.Google Scholar

Copyright information

© Instrument Society of America 1963

Authors and Affiliations

  • B. Ya. Verkhoturov

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