Collimator for measuring flatness of surfaces
- Made:
- 1940
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© The Board of Trustees of the Science Museum
Metro Collimator no. 2, 1940 for measuring flatness of surfaces by optical means
Details
- Category:
- Industrial Metrology
- Object Number:
- 1983-393
- Materials:
- steel , brass & glass
- Measurements:
-
25 x 25 x 10 cm
- type:
- auto collimator
- credit:
- National Physical Laboratory.
