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TIL from a 1920s trade journal that a proper forge fire needs a 6-inch coal bed for even heat.
I found this old 'American Blacksmith' magazine at a flea market in Toledo, and it said a shallow fire is the main reason for cold spots in your work, so has anyone else tried building their fire deeper?
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sethhernandez2mo ago
Wouldn't a deep fire just waste coal, though?
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