Drafting machine

Details Drafting machine Drafting machine

1993-02-02

1994-12-13

Cuchlinski, Jr., William A.

Geometrical instruments

Straightedge type

Base attached

33448, 206224, B43L 500

Patent

active

053719522

ABSTRACT:
A pan and channelled drawing board combination comprising a transparent drawing surface channelled on two or more sides and pivotally attached at one corner to the upper surface of the lip of the pan and having a surface support attached to the bottom of the pan.

REFERENCES:
patent: 1314915 (1919-09-01), Trullench
patent: 3506324 (1970-04-01), Fristedt
patent: 4819338 (1989-04-01), Lategan et al.

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