Broken line drafting templates

Details Broken line drafting templates Broken line drafting templates

1979-04-09

1980-11-11

Little, Willis

Geometrical instruments

Area integrators

Electrical

B43L 1320

Patent

active

042324483

ABSTRACT:
Drafting template adapted to be juxtaposed on a drawing sheet characterized by a plurality of like spaced lands, in a grid or comb configuration, across which a marking implement may be moved, forming marks on the drawing between the lands and leaving voids or spaces therebeneath. Templates for straight and circular broken lines and broken lines of other curvatures are disclosed.

REFERENCES:
patent: D167043 (1952-06-01), Kintz
patent: 965945 (1910-08-01), Roman
patent: 1534396 (1925-04-01), Kimura
patent: 1583138 (1926-05-01), Garnett
patent: 1979724 (1934-11-01), Asencio

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