|Mark hammering out frozen slag from the mouth of the tuyere.|
An interesting side observation is the positon of Dave's hands on the bellows - identical to the position seen on the Hyllestad carving. Despite constant probing, the slag pool had formed too high and the cold air blast from the bellows froze a pug of glass at the mouth of the tuyere.
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Text © Darrell Markewitz, 2017
Photographs © Neil Peterson, 2017
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