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Title: Byzantine portable universal altitude sundial with geared calendrical device [Go to resource]
Description: Byzantine portable universal altitude sundial with geared calendrical device, in brass, 135mm o.d., probably 5th-6th century License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Vertical disc altitude sundial Temporal: 401-600 Source: Science Museum Creator: Unknown maker Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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