Level indicator

Details Level indicator Level indicator

1981-10-19

1984-03-06

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33367, G01C 906

Patent

active

044345615

ABSTRACT:
A device and method for locating two or more points on a horizontal plane is disclosed. The device emits an audio or visual signal when fluid in a tube reaches a designated level. When the signal is given, the fluid at the other end of the tube will be on the same horizontal plane, thereby enabling the user to locate points on the horizontal plane.

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