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Title: Photograph of an equatorial by Steinhiel, with a Zollner pho [Go to resource]
Description: Photograph of an equatorial by Steinhiel, with a Zollner photometer at the Pulkovo Observatory, St Petersburg in Russia, 1876. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: photograph Temporal: 1876 Source: Science Museum Creator: Pulkovo Observatory Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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