A photo of the strip recorder is at http://www.seismicnet.com/leiper/image3.jpg , and http://www.seismicnet.com/leiper/image4.jpg The whole article is at http://www.seismicnet.com/leiper/seismograph.html Additional details on the electronics can be provided if interested, but the concept and execution are quite simple. __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>