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Title: Glass plate photograph plate measurer for positional astrono [Go to resource]
Description: Glass plate photograph plate measurer for positional astronomy by Henry Porter, London. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: plate measurer - astronomical Temporal: 1853-1856 Source: Science Museum Creator: Porter, Henry Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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