Quote:
By controlling the temperature of the casting pot very close to just enough heat to keep it liquid, the caster can fill a bullet mold and the metal in the mold freezes almost instantly and can be dropped without waiting.
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I'd like to see those boolits if cast using just enough heat to liquify the linotype. In general you should be at
least 100 degrees above liquidous to get complete fill-out of the boolit. The molds never get close to the temp of the metal in the pot. That would cause the boolits to freeze before conforming to every detail of the mold.