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Title: Ruling engine by Sir Thomas Merton, including gantry (diamon [Go to resource]
Description: Ruling engine by Sir Thomas Merton, including gantry (diamond tool-holder) with Merton nuts at each end and 3 ruled brass cylinders (2 in box), 5 metrological gratings, 2 square gratings, moire' fringe grating and vernier, by Diffraction Gratings and Optics Ltd, stored in the following parts License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1988-454 Go to resource More Like this...
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