Compass-rose scale

Details Compass-rose scale Compass-rose scale

1977-06-23

1979-08-07

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

D10 68, D1004

Patent

active

D02525607

REFERENCES:
patent: D7837 (1874-11-01), Baker
patent: D22723 (1893-08-01), Townsend
patent: D218342 (1970-08-01), Rice
patent: D220209 (1971-03-01), Brigham
patent: D243072 (1977-01-01), Spinosa
patent: 615604 (1898-12-01), Vieira de Bem
patent: 2003179 (1935-05-01), Faus
patent: 2046635 (1936-07-01), Kamdron
Skin Diver, 4/71, p. 16, compass at lower left.

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