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Title: Direct Vision Spectroscope [Go to resource]
Description: Hand sized brass spectroscope with small button to shut aperture. For looking through to see spectrum of sky, mainly to judge water absorption levels License: http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml Publisher: ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments Rights holder: 47718 Temporal: 1910-1940 Source: University of Aberdeen Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
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