Course indicator

Details Course indicator Course indicator

1976-06-14

1978-05-16

Aegerter, Richard E.

Geometrical instruments

Indicator of direction of force traversing natural media

With preselected direction indicator

33355R, G01C 1714

Patent

active

040891186

ABSTRACT:
A course indicator including a marker which is normally movable following a compass and which may be automatically set to a reference position in alignment with a lubber line upon command. Thereafter, the marker will indicate any deviation from the course upon which it was set.

REFERENCES:
patent: 1332027 (1920-02-01), Bunker
patent: 2014024 (1935-09-01), Leatherman
patent: 2855696 (1958-10-01), Griswold
patent: 3177591 (1965-04-01), Jolley

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