Benioff Vertical Seismometer (WWSSN)
date: label: date made
content: 1961-1962
name: label: maker
content: Geotechnical Corporation
notes: label: Description
content: This is a variable reluctance, short-period vertical seismometer based on the design of Hugo Benioff, a scientist on the staff of the Seismological Laboratory at the California Institute of Technology in Pasadena. It was made by The Geotechnical Corporation in Dallas, Texas, in the early 1960s, for use in VELA-Uniform, a government-sponsored project designed to detect and map earthquakes and underground nuclear explosions. One part of VELA-Uniform was a World Wide Standardized Seismograph Network.
label: Description
content: This example marked "Model No. 1051 / Serial No. 210" was used at the WWSSN station at Junction City, Texas.
label: Location
content: Currently not on view
place: label: place made
content: United States: Texas, Dallas
topic: label: related event
content: Cold War
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Seismographs
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content: Science & Mathematics
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content: Measuring & Mapping
creditLine: label: Credit Line
content: U.S. Geological Survey
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1999.0275.02
label: catalog number
content: 1999.0275.02
label: accession number
content: 1999.0275
objectType: label: Object Name
content: seismometer
physicalDescription: label: Measurements
content: overall: 88 cm x 44 cm x 55 cm; 34 21/32 in x 17 5/16 in x 21 21/32 in