This seismometer was designed by Sean Thomas Morrissey, and is currently being extensively discussed on the PSN (public seismic network) at: http://psn.quake.net/
As my version of the STM-8 seismograph develops, details and photos will appear on the page, and announced on the PSN mail list.
NEWS! Construction Started
A decision was made to use a mainframe disk drive magnet for my version of the STM Seismograph.
Below are photos of machining and modified magnet frame before assembly.
Machining operation of magnet plate.
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Last update: 29 January 2004 Copyright RJA 1997 - 2004