San Francisco : Architect and Engineer, Inc · leaf 69
nt it still has to have the proper con-sistency, so the slabs of clay from the filterpress are fed to the pugging machine. Greatknives chew the clay and beat It to the rightconsistency, taking all the air out and churningit until It Is as smooth as butter, propelling itfrom the extrusion point. The… … FILTER PRESS
Architecture · Building
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