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Title: arge quartz spectograph by Hilger & Watts Ltd, type E742, wi [Go to resource]
Description: arge quartz spectograph by Hilger & Watts Ltd, type E742, with quartz optics License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Hilger & Watts Ltd Identifier: 1965-191 Go to resource More Like this...
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