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Title: Dual purpose folding ophthalmoscope/opera glass with built-i [Go to resource]
Description: Dual purpose folding ophthalmoscope/opera glass with built-in compass, no maker marked, 1930-1960 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1989-855 Go to resource More Like this...
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