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Title: Optometer, with end cap, by Raphael's of London, 1940-1950 [Go to resource]
Description: Optometer, with end cap, by Raphael's of London, 1940-1950 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1986-874 Go to resource More Like this...
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