Lehman Seismometer Information

Last Updated: 9/01/97

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 the Redwood City Lehman Seismometer

Overall View
Detail View of Boom
Detail View of Knife-edge and Pipe Union
LEHMNPIC.ZIP (137k) contains all of the photos above.

Equipment For Sale

I have the following boards and parts to help build a Lehman seismometer:

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Larry Cochrane <cochrane@webtronics.com>