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Title: Camera lens by Aldis [Go to resource]
Description: Photo lens by Aldis triplet f5.6, 20" focal length No. 85341 with filter No. 202. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: lens Source: Science Museum Creator: Aldis Brothers Identifier: 1927-273 Go to resource More Like this...
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