Traveler's direction finder

Details Traveler's direction finder Traveler's direction finder

1989-01-23

1990-03-06

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Structurally installed including relation to feature thereof

33364, 33354, G01C 1708

Patent

active

049053779

ABSTRACT:
A unit comprising a base on which is mounted an atlas of maps each with an arrow thereon indicating the relation of the map area to north, and on which base is also mounted a compass having in a container a liquid on which floats a magnet bearing disk on the surface of which disk is a visible pointer pointing in the direction of the magnet's north pole and the earth's magnetic pole. A ball of non-permanent magnetic material centered on a cover of the container cooperates with the magnet in maintaining the floating disk centered in the container and spaced below the ball. In use, the unit is turnable by the traveler until the arrow on the map points in the same direction as the pointer on the disk, thereby apprising the traveler as to his position relative to his surroundings.

REFERENCES:
patent: 336883 (1886-03-01), Adler
patent: 830769 (1906-09-01), Chandler
patent: 897794 (1908-09-01), Smith
patent: 2111829 (1938-03-01), Winterer et al.
patent: 2618856 (1952-11-01), Sweet
patent: 2822618 (1958-02-01), Wendel
patent: 3068583 (1962-12-01), Goshen
patent: 3373429 (1968-03-01), Anderson
patent: 3646681 (1972-03-01), Koenig
patent: 3858326 (1975-01-01), Hurd
patent: 4236313 (1980-12-01), Griffin, Jr.

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