Polyfunctional spirit-level

Details Polyfunctional spirit-level Polyfunctional spirit-level

G - Physics

01

C

33/110

G01C 9/20 (2006.01) G01C 9/28 (2006.01)

Patent

CA 1267780

ABSTRACT A polyfunctional spirit-level comprising a four-sided, elongated spirit-level body containing a bubble tube, axially disposed therein and adapted to be viewed from above when using three of the sides, two sides adapted for use as a level and two side adapted for use as a declinatlion indicator for different slopes of sewer lines, said level small enough to be slipped in one's pocket and carried on one's person.

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