Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1975-12-31
1978-01-24
Phillips, Charles E.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
G01C 928
Patent
active
040695921
ABSTRACT:
A light weight direct reading inclinometer which can be operated by one man, is easily portable and has a scale readout in both percent slope and inches per foot of slope. The normal operating range is within zero to ten percent slop of inclination and can be extended by the use of accessories and/or adjustment mechanisms. Measurements are made by adjusting a pivotally positioned level vial whose movement is interconnected with an adjustable readout wheel mechanism.
REFERENCES:
patent: 808862 (1906-01-01), McCain
patent: 945275 (1910-01-01), Heistad
patent: 1026579 (1912-05-01), Hauke
patent: 1410491 (1922-03-01), Matoba
patent: 1587981 (1926-06-01), Newmyer
patent: 1765060 (1930-06-01), Angelis
patent: 2304313 (1942-12-01), Misz
patent: 2521525 (1950-09-01), Krausser
Jacobs Mark C.
Phillips Charles E.
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