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Title: Result of heating together 400 grains of roasted Wicklow pyr [Go to resource]
Description: Result of heating together 400 grains of roasted Wicklow pyrites, 15 grains of carbon, and 150 grains of silica, experiment by R. Smith License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/2662 Go to resource More Like this...
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