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Sarah waiting for the furnace to stabilize. The temperature in the furnace goes through a cycle. As more charcoal is added the temperature drops. As it ignites the temperature climbs, and more sparks appear. Then the furnace gets into its "steady state" with a fairly consistent temperature where work can be done for a few minutes. The the temperature drops as the charcoal is used up and the process must be repeated. Previous Report Next Text © Neil Peterson, 2017 Photographs © Neil Peterson, 2017 Copyright details Contact us |