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Title: Liquid filled acrylic magnifying lens, 1949 [Go to resource]
Description: Liquid filled plastic lens with stand, for enlarging 9 inch television picture, c. 1949 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1949 Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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