Gradient measuring devices

Details Gradient measuring devices Gradient measuring devices

1982-03-18

1985-10-01

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

G01C 9100

Patent

active

045437319

ABSTRACT:
A gradient measuring device incorporating a conventional level such as a spirit level and having an end gauge member which is rotatable providing a lowermost reference by which when the level is horizontal there is a gauge reference to a slope position between the lowermost point on the gauge and the further lowermost end of the level.

REFERENCES:
patent: 1701069 (1929-02-01), Frantz
patent: 2155391 (1939-04-01), Arden
patent: 2743528 (1956-05-01), Posthauer
patent: 2846772 (1958-08-01), Strausser

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