The SMA1 is a strong motion unit that records on photographic film. It is set to trigger, usually at about .05 g, and then record for a set duration. Digital technology has made these instruments obsolete. John At 06:24 PM 10/24/00 , you wrote: >Hi gang, > ebay # 472860456 is a Kinemetrics SMA-1. Is this a seismograph? >The auction ends 11/25 about 18:00 PDT. >Bob Barns John C. Lahr 1925 Foothills Road Golden, CO 80402 (303) 215-9913 john@........ http://lahr.org/john-jan/science.html __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>