International Terra Cotta Lumber Co. (Chicago, Ill.) · The Company · leaf 18
)rocess must always be prt liminary to tliat of mixingwith vegetable matters, except where Chaser Mills are used,which, by the peculiar traversing motion of the wheels, grind andmix simultaneously. 15 BRICK WOOD. … Fig. 2. Tempering Pit. The costly experiment, necessary to perfect the manufacturing processes of Terra Cotta Lumber, led to the discovery that inferior , wares could be made of surface clays and saw-dust, at a cheaper cost, and greatly reduced expense of plant, in consequence of change in machines…
Building materials · Terra-cotta sculpture
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