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Bulletin of the Seismological Society of America; April 1962; v. 52; no. 2; p. 439-454
© 1962 Seismological Society of America
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A hall-effect seismograph

Maciej Nalecz and IGNACY ZAWICKI

ELECTROTECHNICAL DEPARTMENT INSTITUTE OF BASIC TECHNICAL PROBLEMS POLISH ACADEMY OF SCIENCE, WARSAW, Poland

Abstract

The principle of operation and the amplitude and phase frequency characteristics of a newtype seismograph are discussed and compared with those of an electrodynamic seismograph. The properties of this instrument allowing its use also as a tiltmeter are set forth. The action of the new seismograph is based on utilization of the Hall effect in semiconductors. Experimental results obtained with the new device are given.






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