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Title: [Go to resource]
Description: Set of 20, single, horn-rimmed trial lenses, 2 missing, hinged at corners of horn mount, English (?), 1850-1914 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: trial lenses Temporal: 1850-1914 Source: Science Museum Identifier: A681070 Go to resource More Like this...
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