Carpenter square

Geometrical instruments – Straightedge type – Plural straightedges nonadjustably fixed at right angles

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Details

33474, 33476, 33562, B43L 7027

Patent

active

050901290

ABSTRACT:
A carpenter's square is disclosed which is capable of simplifying common woodworking layouts by means of various ports and a reference point used to appropriately orientate the square. The square can also advantageously be used as a dividing tool for longitudinally dividing a piece of wood.

REFERENCES:
patent: 266646 (1882-10-01), Rossman
patent: 1315333 (1919-09-01), Roads
patent: 1995204 (1935-03-01), Ford
patent: 2214408 (1940-09-01), Arizpe
patent: 2764818 (1956-10-01), Gard
patent: 4773163 (1988-09-01), Wolford, Jr.

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