Measuring device

Details Measuring device Measuring device

1981-10-26

1983-07-19

Little, Willis

Geometrical instruments

Straightedge type

Rules

33476, 83761, G01B 302

Patent

active

043936016

ABSTRACT:
A measuring device for measuring a length of picture frame material which device includes a plurality of elongated stepped surfaces at least two of which are substantially parallel and offset relative to each other. At least two reference marks are provided to allow determination of the cutting length of the inside or rabbet side edge of the framing material.

REFERENCES:
patent: 563465 (1896-07-01), Farley
patent: 809950 (1906-01-01), Heysinger et al.
patent: 821959 (1906-05-01), Oxnam
patent: 3073364 (1963-01-01), Jones
patent: 3878615 (1975-04-01), Peterson

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