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Title: Speculum Mirror, 1850-1870 [Go to resource]
Description: Flat metal speculum mirror, one of three, of 4 1/2-inch diameter for reflecting telescope, 1850-1870. May have been part of Nasmyth's reflective telescope. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: mirror
astronomical instrument
metal mirror
flat mirror
componentTemporal: 1850-1870 Source: Science Museum Creator: Nasmyth, James Identifier: 1897-14/1 Go to resource More Like this...
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