Geological gyrocompass

Geometrical instruments – Straight-line light ray type – Combined

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Details

33324, 33 1E, G01C 1938, G01C 102

Patent

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050865684

ABSTRACT:
The geological gyrocompass is an accurate, portable instrument useful for geologic mapping and surveying which employs an aircraft gyrocompass, strike reference bars, a pair of sights and leveling devices for horizontally leveling the instrument. A clinometer graduated in degrees indicates the dip of the surface being measured.

REFERENCES:
patent: 1926251 (1933-09-01), Mayrhauser
patent: 2519191 (1950-08-01), Jassy
patent: 3172213 (1965-03-01), Eklund
patent: 3229376 (1966-01-01), Wilcox
patent: 3283408 (1966-11-01), Rothe et al.
patent: 3283409 (1966-11-01), Rothe et al.
patent: 3373499 (1968-03-01), Rothe et al.
patent: 3417474 (1968-12-01), Evans et al.
patent: 3525159 (1970-08-01), Mills
patent: 4033045 (1977-07-01), Wing
patent: 4109391 (1978-08-01), Wing

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