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Published June 1932 | Published
Journal Article Open

A new vertical seismograph

Benioff, Hugo

Abstract

The vertica1 seismograph herein described makes use of a mechanical system of short period in combination with an electro-mechanical transducer of high sensitivity coupled to a recording galvanometer. In the Galitzin seismograph the transducer consists of a coil which moves in a magnetic field in such a manner as to generate electromotive force proportional to the velocity of the inertia reactor. The present transducer embodies a modification of the common telephone receiver principle and is also of the velocity type.

Additional Information

© 1932 Seismological Society of America. January 16, 1932.

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Created:
August 19, 2023
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October 17, 2023