Geometrical instruments – Straightedge type – Wall guide and plumb
Patent
1979-12-10
1982-05-18
Phillips, Charles E.
Geometrical instruments
Straightedge type
Wall guide and plumb
G01C 1510
Patent
active
043297862
ABSTRACT:
A plumb guide for facilitating the laying of end bricks or other masonry units of a tier successively in true vertical alignment without the use of spirit levels and the like. The guide is adapted to be removably attached at selectable points on the usual bricklayer's gage line. A flat surface of the guide is disposed perpendicularly to the gage line, serving as a reference for the placement of end units in successive layers about windows, fireplaces and the like.
REFERENCES:
patent: 1122359 (1914-12-01), Bissett
patent: 2807907 (1957-10-01), Brite
patent: 2829464 (1958-04-01), Pettit
patent: 3145499 (1964-08-01), Stoll
patent: 3250009 (1966-05-01), Oseka
Osburn A. Ray
Phillips Charles E.
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