Origin of pug mill
Examples from the Web for pug mill
In some cases it has been found necessary to mix the ingredients in a pug-mill, as in mixing clay, &c. for bricks.A Dictionary of Arts, Manufactures and Mines|Andrew Ure
It is then strained and finally passed through a pug-mill, and is ready for use.The Ceramic Art|Jennie J. Young
These two processes are now generally performed by one machine, consisting of pug-mill and brick press combined.
It then passes into a pug-mill into which superheated steam is admitted, and by this means is converted into a plastic paste.