Abstract
MODELS of this new tilt-compensation seismometer have recently been placed in the new seismographic station of the Nebraska Wesleyan University in Lincoln, Nebraska, in the Chicago Seismograph Station, and in Salt Lake City ("New Instruments and Equipment at Coöperative Seismograph Stations of the United States Coast and Geodetic Survey", J. H. Nelson and H. E. McComb, Bull. Seis. Soc. Amer., 29, No. 4, 549–588; Oct. 1939).
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The Mccomb-Romberg Seismometer. Nature 145, 159 (1940). https://doi.org/10.1038/145159b0
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DOI: https://doi.org/10.1038/145159b0