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Title: brass mounted symmetrical lens [Go to resource]
Description: Brass mounted symmetrical lens F.16 3 3/4 inch f.l. with wheel stops. c.1890 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: symmetrical lens Temporal: c.1890 Source: Science Museum Identifier: 1979-559/1132 Go to resource More Like this...
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