A develocorder records signals from fifteen stations on a continuous reel of film. Seismology and Seismometry. U.S. Geological Survey National Earthquake Information Center.
Summary
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.
Summary
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.
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