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Iron Experiment - Nov 2008

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A close-up of the air hole. Even worse than last time the slag was blocking the air hole as it cooled. In this case the slag has produced not just a flat insert but an upwards curing ramp. The upward curve came as a result of bubbles forming in the slag, then cooling when the air hit the thin wall of the bubble. This would have a significant impact on the air within the smelt.

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Text © Neil Peterson, 2017
Photographs © Karen Peterson, 2017

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