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Title: One mechanical universal altitude sundial, brass, 6 3/4"x5 1 [Go to resource]
Description: One mechanical universal altitude sundial, brass, 6 3/4"x5 1/4", 17th century, possibly with key missing License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Mechanical equinoctial sundial Temporal: 1601-1700 Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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