Measuring apparatus

Details Measuring apparatus Measuring apparatus

1975-08-11

1978-03-28

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33178E, 33180R, G01B 734

Patent

active

040807410

ABSTRACT:
With stylus type measuring instruments for the measurement of surface roughness or form an improved method of setting up employs a reference body having a cylindrical or part-cylindrical surface. By probing the curved reference surface a datum point is established. The reference body is then moved by a predetermined amount with respect to this datum and acts as a secondary reference standard.

REFERENCES:
patent: 3499227 (1970-03-01), Krause et al.
patent: 3826011 (1974-07-01), D'Aniello

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