Construction of master mechanical oscillator for testing seismic recorders and other allied apparatus.

Bibliographic Details
Other Authors:	Irland, George Allison, 1894-, Lee, Frederick W.
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1932.
Series:	Mines Bur. Technical Paper No. 518
Subjects:	Seismology > Measurement. Electronic books.
Online Access:	Connect to the full text of this electronic document

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