Height level measuring device

Details Height level measuring device Height level measuring device

1987-12-14

1989-01-03

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

G01C 504

Patent

active

047947047

ABSTRACT:
A height level measuring device is provided and consists of an elongated transparent flexible hollow tube with scales at each open end thereof. A predetermined amount of liquid is placed within the tube so that the liquid will seek same height level at both ends no matter what height the ends are raised to, thus allowing height of two objects to be vertically measured when there is an obstacle between the two objects.

REFERENCES:
patent: 375450 (1987-12-01), Karr
patent: 946660 (1910-01-01), Deslattes
patent: 1181926 (1916-05-01), Rooney et al.
patent: 1488749 (1924-04-01), Franz
patent: 2755560 (1956-07-01), Spaeder
patent: 2971264 (1961-02-01), Cowan
patent: 4651433 (1987-03-01), Mohr
patent: 4686773 (1887-08-01), Brewer

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