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Heliotrope

Heliotrope   Heliotrope   Heliotrope
Manufactured by American Instrument Company. Survey instrument to take measurements from the Sun.

Object ID: USGS-000471


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URL: http://www.usgs.gov/aboutusgs/who_we_are/museum/collections/000471_heliotrope.asp
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Page Last Modified: Thursday, October 01, 2009