How Clay Bricks Were Made from the Mid 1800s to the Early …
In the Pug Mill, water was added to the powder and the clay and sand mixture was soaked, stirred and kneaded with large augers or wooden paddles until doughy. This step was called tempering or pugging and was the hardest work of all. In the mid-1800's horse driven pug mills were invented. The clay was removed from the soaking pit or pug mill …
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