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Title: Sulphur print of a rimmed 5 ton square ingot made by the Bas [Go to resource]
Description: Sulphur print of a rimmed 5 ton square ingot made by the Basic Bessement Process, c 1947 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1991-161 Go to resource More Like this...
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