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Title: [Go to resource]
Description: Barrett monocular and testing set, cased, by the London Optical Co., England, 1930-1960 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: eye testing sets Temporal: 1930-1960 Source: Science Museum Creator: London Optical Co. (maker) Identifier: A680564 Go to resource More Like this...
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