Terrestrial magnetism responsive device including a pair of bala

Details Terrestrial magnetism responsive device including a pair of bala Terrestrial magnetism responsive device including a pair of bala

1977-05-19

1979-05-22

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

33364, 324259, G01V 308

Patent

active

041561783

ABSTRACT:
A terrestrial magnetic responsive device having a float carrying magnetic north-seeking means and responsive not only to magnetic north, but also to local magnetic force fields, said device having a liquid evaporation and liquid movement control means.

REFERENCES:
patent: 1503672 (1924-08-01), Thompson
patent: 2003179 (1935-05-01), Faus
patent: 2205548 (1940-06-01), Volkmann
patent: 2224732 (1940-12-01), Kollsman
patent: 2437132 (1948-03-01), Sinks
patent: 3334420 (1967-08-01), Stockton
patent: 3423672 (1969-01-01), Stockton

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