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Title: Experiment to fuse 'hard head' tin with sulphur [Go to resource]
Description: Refining of Tin. 'Hard head' fused with sulphur. Experiment by Dr. Percy, 1858. 'Hard head' being produced from roasted ores, contains little or no sulphur, and on fusing with sulphur the metals become sulphides. This is a compact, porous, regulus-like mass. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1858 Source: Science Museum Creator: Percy, John Identifier: 1889-164/2099 Go to resource More Like this...
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