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Title: Portable hand microscope by Powell (unsigned) with 1 power, [Go to resource]
Description: Portable hand microscope by Powell (unsigned) with 1 power, in case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Powell, H. (maker) Identifier: 1928-776 Go to resource More Like this...
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