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Title: Photograph 6 1/2" x 4 3/4" showing J [Go to resource]
Description: Photograph 6 1/2" x 4 3/4" showing J.J. Thomson's original positive-ray apparatus (ex King George V Special Jubilee Exhibition 1935) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1947-273 Go to resource More Like this...
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