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Title: Two brown glass filters in folding horn case [Go to resource]
Description: Two coloured glass filters, light and dark brown, in horn frames and folding strippy horn case, unsigned, European, 1700-1799. Probably used as a sketching aid by an artist. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: optical drawing aid
colour filterTemporal: 1700-1799 Source: Science Museum Creator: Unknown maker Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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