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Title: [Go to resource]
Description: Brass optometer with [....] metal filaments and blue metal needle, circular, with side extension in form of brass(?) column with 5 prongs, possibly European(?), 1914-1940 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: optometers Temporal: 1914-1940 Source: Science Museum Identifier: A680926 Go to resource More Like this...
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