Hi gang, Ebay item 401245459 (ends 8/14) is titled "Old Geology Seismograph 30's". The pics are so poor that I can't make head or tail of this. Is it a seismograph? What is it? How does it work? Bob Barns __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>