Pressure indicator

Measuring and testing – Barometer – Aneroid

Patent

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Details

73729, G01L 712

Patent

active

042455081

ABSTRACT:
This invention relates to pressure indicators, and more particularly to an improved pressure indicator whose use is especially advantageous in sensitive pressure altimeters in which high resolution and low friction are important.

REFERENCES:
patent: 2162308 (1939-06-01), Jenny
patent: 2366566 (1945-01-01), Shivers
patent: 2689480 (1954-09-01), Angst
patent: 3062053 (1962-11-01), Weber
patent: 3083343 (1963-03-01), Le Febvre
patent: 3495462 (1970-02-01), Knapp
patent: 3631435 (1971-12-01), Elenbass

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