Geometrical instruments – Area integrators – Electrical
Patent
1981-07-13
1983-02-15
Little, Willis
Geometrical instruments
Area integrators
Electrical
33174H, 73 1J, G01B 330
Patent
active
043732674
ABSTRACT:
An improvement to an instrument calibration block, which includes an arm member pivotally connected to the calibration block. The arm member when in its operative position positions the instrument to be tested so as to provide for a highly accurate calibration.
REFERENCES:
patent: 2293411 (1942-08-01), Spillman
patent: 2758514 (1956-08-01), Cadwallader
patent: 3869801 (1975-03-01), Lycan
patent: 4165566 (1979-08-01), Lycan
"Silicon Dioxide Step Gauge"; vol. 5, No. 10, IBM Technical Disclosure Bulletin-Mar. 10, 1963.
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