Floating disk compass

Details Floating disk compass Floating disk compass

1989-05-08

1992-01-14

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33347, G01C 1708

Patent

active

050798464

ABSTRACT:
A liquid-type compass comprises a light-weight thin, flat disk of magnetic material so constructed that it is capable of floating on a liquid surface so as to be movable to orient itself in a North-South direction. A flat support provided for storing the disk when not in use is releasably secured to a support member. The support member is in the form of a small flat card containing survival instructions as well as instructions for use of the compass.

REFERENCES:
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patent: 2857679 (1958-10-01), Le Bleu
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patent: 4175333 (1979-11-01), Kramer
patent: 4236316 (1980-12-01), Suzuki
patent: 4335521 (1982-06-01), Rutherford
patent: 4404752 (1983-09-01), Hanna
patent: 4581827 (1986-04-01), Higashi
patent: 4614041 (1986-09-01), Darton et al.
patent: 4848002 (1989-07-01), Carmona et al.

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