Lehman Seismometer Information

Last Updated: 03/05/2004

July 1979 Scientific American article on how to build a Lehman Seismometer.
Modifications to the Lehman seismometer design.
LEHMAN.ZIP (55k) contains all of the text and drawings from the above articles.
Photos of other Lehman sensors.
Instructions for Construction of a Lehman Seismometer (1.4meg pdf file) by Kelly Knight. Alternate download site.
This site has interesting information on how a garden gate (Lehman) seismometer works and a unique method of mounting the boom.

Photos of the Redwood City Lehman Seismometer

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