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NOAA Photo Library Image - cgs00093

Galitzin Vertical Component Seismometer and McComb-Romberg tilt compensation seismograph in: Coming to grips with the Earthquake Problem," by Nicholas H. Heck, 1931. Journal of the Franklin Institute, Vol. 212, No. 3, pp. 269-303.

Image ID: cgs00093, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1930 ca.

Category: Geophysics Seismology/

High Resolution Photo Available

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Last Updated:
November 10, 2017