File:GeoPhone.JPG

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Original file (579 × 786 pixels, file size: 171 KB, MIME type: image/jpeg)

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Description
English: This image is of a geophone, used to detect vibrations, specifically in the earth. It is made by Geosource Inc. It is a Model MD-79, Made in USA, 8Hz, 335 ohm. It is listed with a "MODIFIED" date of 12-9-82. This image was taken by Andrew Baker on August 11th, 2009. IFU request, Image released by author into the public domain [1]
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Source http://www.kontraptionist.com/files/geophone.JPG
Author Andrew Baker

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current15:58, 12 August 2009Thumbnail for version as of 15:58, 12 August 2009579 × 786 (171 KB)SpaceFlight89 (talk | contribs)better?
15:33, 12 August 2009Thumbnail for version as of 15:33, 12 August 20091,200 × 1,600 (662 KB)SpaceFlight89 (talk | contribs){{Information |Description={{en|1=This image is of a geophone, used to detect vibrations, specifically in the earth. It is made by Geosource Inc. It is a Model MD-79, Made in USA, 8Hz, 335 ohm. It is listed with a "MODIFIED" date of 12-9-

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