Drafting template

Details Drafting template Drafting template

1975-12-29

1977-05-31

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33103, B43L 708

Patent

active

040260305

ABSTRACT:
Adjustable drafting template characterized by relatively slideable members which may be positioned to form openings for drawing figures with two parallel sides of different widths and lengths having ends of various shapes; also, circles, chordal portions thereof, squares, portions thereof, and equilateral triangles.

REFERENCES:
patent: 1202041 (1916-10-01), Fabrieius
patent: 2080093 (1937-05-01), Rose
patent: 2702944 (1955-03-01), Lane et al.
patent: 2784497 (1957-03-01), Blondin
patent: 2909843 (1959-10-01), Bechtel

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