Linear measuring instrument

Details Linear measuring instrument Linear measuring instrument

1974-02-27

1976-01-27

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33107, 264247, B43L 700

Patent

active

039343529

ABSTRACT:
A rigid linear measuring instrument has a central core moulded integrally with plastics bodies in relief. A plastic material of different colour is moulded over the core flush with outer faces of said bodies which form a series of graduation figures and graduation lines.

REFERENCES:
patent: 1602490 (1926-10-01), Homan
patent: 2171504 (1939-08-01), Keuffel et al.
patent: 2467928 (1949-04-01), Bolter
patent: 2851731 (1958-09-01), Gits et al.
patent: 2994925 (1961-08-01), Gits
patent: 3016579 (1962-01-01), Schlitzkus

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