Image: Viewing of Develocorder Film

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Description: Seismology and Seismometry.U.S. Geological Survey National Earthquake Information Center. A develocorder records signals from fifteen stations on a continuous reel of film. This is processed by the machine and is ready for viewing within eleven minutes of an event. Photo by R. McKenzie, pre-1977. Page 10 (upper photo), Earthquake Information Bulletin, v.9, no.3.
Title: Viewing of Develocorder Film
Credit: http://libraryphoto.cr.usgs.gov/cgi-bin/show_picture.cgi?ID=ID.%20Earthquake%20Information%20Bulletin%20167&SIZE=medium
Author: R. McKenzie of U.S. Geological Survey National Earthquake Information Center
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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