Periscopic sextants

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Industry

CPC
G01C1/14

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Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C1/00Measuring angles

Current Industry

G01C1/14Periscopic sextants

Industries

Patents Grantslast 30 patents

Information Patent Grant
2523577
- Patent number 2,523,577
- Issue date Sep 26, 1950
- G01 - MEASURING TESTING
Information Patent Grant
2485558
- Patent number 2,485,558
- Issue date Oct 25, 1949
- G02 - OPTICS