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Title: Glass positive of Pluto discovery [Go to resource]
Description: Glass positive of :- The new planet Pluto; Lowell Observatory 42-inch Reflector. Focal length 220 ins. March 2d 4h 56m. C.O. Lampland 12"x8". (Prepared from silver print [from R.A.S.No. 416] lent by Sir James Jeans) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: black-and-white transparency Temporal: 1930 Source: Science Museum Creator: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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