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This shows the measured holes we call "light brights". When using them for a bloomery smelter they have small flames coming out and by judging the colour/strength of the flame you can learn things about what is happening inside. They are also the correct side to insert the thermocouple to take temperature measurements. Previous ![]() ![]() Text © Neil Peterson, 2017 Photographs © Neil Peterson, 2017 Copyright details Contact us |