A study of some seismometers

Author: Irland, George Allison.
Year: 1934
Document Type: USBM
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.7:556
Series: Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number: 556
Subject: Seismometers
Link: https://hdl.handle.net/2027/mdp.39015077315359

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