Seismic Instrument Photo
Inagurated in 1927, the seismic station at St. Louis, located on the grounds of Saint Louis University, in the basement of the gymnasium at the corner of Spring and West Pine. Pictured is the 1940 Layout on the Gymnasium Pier. - J.S.A. 25th Anniversary Commerative Vol., 1925-1950, J. B. Macelwane
(J. B. Macelwane Archives, Saint Louis University)

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