Tracing scope

Details Tracing scope Tracing scope

1974-11-19

1976-11-02

Aegerter, Richard E.

Geometrical instruments

Scriber

Sight-line controlled

B43L 1316

Patent

active

039888339

ABSTRACT:
A device for use by an artist in order to trace an actual scene or three dimensional object upon a transparent film or sheet; the device consisting of a frame having a pivotable easel leg so that the frame may stand upright, a transparent stiff plastic back sheet forming a window in the frame, a transparent thin plastic sheet or film unwound from a roll supported at one end of the frame so to be pulled across the window and retained in position between the back sheet and frame, an eye opening on the easel leg for observing the painting object from a constant point, and adjustable rulers attached to the frame for guiding the drawing of straight lines upon the film or sheet extending across the window.

REFERENCES:
patent: 216460 (1879-06-01), Rosquist
patent: 529917 (1894-11-01), Joseph
patent: 668957 (1901-02-01), Fletcher
patent: 811065 (1906-01-01), Jaeger
patent: 1605979 (1926-11-01), Pacioni
patent: 2410447 (1946-11-01), Juran

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