Navigational calculating device

Details Navigational calculating device Navigational calculating device

1979-06-25

1980-06-24

Haroian, Harry N.

Geometrical instruments

Straightedge type

Base attached

33453, 33457, B43L 500

Patent

active

042088054

ABSTRACT:
This disclosure relates to a new navigational calculating device which provides a mechanical means of solving position finding problems by solving a plane right triangle. It is an alternative to traverse tables, trigonometric formulas, and chart plotting for determining a dead reckoning position. It is particularly useful for small water-going craft in which conventional methods of navigation are difficult or impractical.

REFERENCES:
patent: 1439936 (1922-12-01), Wyckoff
patent: 1730852 (1929-10-01), Jenny
patent: 2419203 (1947-04-01), Edwards
patent: 2481846 (1949-09-01), King
patent: 2521915 (1950-09-01), Hartig
patent: 3034713 (1962-05-01), Kuzenko
patent: 3137443 (1964-06-01), Samuelson
patent: 3414190 (1968-12-01), Lemiesz

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