Geometrical instruments – Gauge – Template
Patent
1988-05-19
1989-09-05
Haroian, Harry N.
Geometrical instruments
Gauge
Template
B43L 1302
Patent
active
048625973
ABSTRACT:
A stencil is constructed from a stationary envelope and an insert sheet disposed in the envelope but free to be moved with respect to the envelope. The subject matter to be stencilled is cut through the envelope and through the insert sheet. The cuts create openings in the envelope, and when the openings are registered the full subject matter is stencilled. Artistic effects are obtained by moving the sheet slightly out of registry with the envelope and then stencilling.
REFERENCES:
patent: 2702944 (1955-03-01), Lane et al.
patent: 2909843 (1959-10-01), Bechtel
patent: 3483628 (1969-12-01), Newman
Popular Mechanics: Shop Notes, vol. 41, 1944 "Twin Templates" by Sprague.
Brelsford Harry W.
Haroian Harry N.
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