3D water level test apparatus

Device for testing students' ability to draw a horizontal line on a dipping surface independent of geology

Image 17029 is a 189 by 200 pixel JPEG
Uploaded: Sep20 09

Last Modified: 2009-09-24 08:58:49

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Even Darwin Struggled with Dip and Strike
http://serc.carleton.edu/earthandmind/posts/darwindipstrike.html

Provenance
Photography by Lynn Liben, Penn State University, Department of Psychology

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