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Title: direct vision spectroscope [Go to resource]
Description: Hand held brass spectroscope with variable aperture and variable focus. Can see the prism inside it. Engraving on barrel. 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: 1872-1881 Source: University of Aberdeen Creator: J. Swift, Optician Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
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