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Title: Direct vision spectroscope by A. Hilger , London, c.1900. C [Go to resource]
Description: Direct vision spectroscope by A. Hilger , London, c.1900. Contains two "half prisms" rotated by micrometer, screw of 100 threads to the inch, drum divided into 100 parts License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: spectroscope - direct vision Temporal: 1900-1904 Source: Science Museum Creator: Adam Hilger Identifier: 1907-76 Go to resource More Like this...
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