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Title: Canadian metal spectacles with single piece side-arms and ob [Go to resource]
Description: Canadian metal spectacles with single piece side-arms and oblong prism lenses marked '6[degrees]'. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: spectacles Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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