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Annual report of the Regents . are com-monly end-cut. If the brick are to be facing, they are repressed, for the purposeof straightening their edges and smoothing the surface. Dry clay process The use of this method in the United States dates back 15 or 20years, to its introduction at Louisville, Ky. In New York it hasnot been in use over nine years. There are fiv© dry press in worksin the state. The clay after being dug is usually stored in shedsto dry. When ready for use it is taken out and charged into thedisintegrator or dry pan, both of which have been described under Preparation of clay.
Annual report of the Regents . are com-monly end-cut. If the brick are to be facing, they are repressed, for the purposeof straightening their edges and smoothing the surface. Dry clay process The use of this method in the United States dates back 15 or 20years, to its introduction at Louisville, Ky. In New York it hasnot been in use over nine years. There are fiv© dry press in worksin the state. The clay after being dug is usually stored in shedsto dry. When ready for use it is taken out and charged into thedisintegrator or dry pan, both of which have been described under Preparation of clay. After passing from the disintegrator the powdered clay is car-ried by an elevator to the upper story, where it is discharged on along screen inclined at an angle of about 45°. The materialwhich has been ground fine enough passes through the sieve anddown into the hopper over the molding machine. The tailings fallinto a hopper at the lower end of the sieve and are carried back tothe disintegrator. I Plate 32 To face page 004. H. Ries photo. Simpson dry press brick machine. Brush & Schmidt, Jewettville. Erie county. Theplungers are at the lowest point of the stroke, and molded bricks are on the wagonready to be taken to the drying tunnels. * Plate 33 To face page 6(ir»
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience