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Title: Eyepiece micrometer for telescope, engraved John Browning, L [Go to resource]
Description: Eyepiece micrometer for telescope, engraved John Browning, London, c.1890 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: angle measuring instrument - optical micrometer Source: Science Museum Creator: Browning, John Identifier: 1985-103 Go to resource More Like this...
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