. The Practical brick and tile book. to receive the next brick. In the meantime, a self-acting push-plate forces the brick, already pressed, outof the die upon a self-acting table prepared for carry-ing it away. The following well-arranged machine belongs to theclass which can operate upon either plastic or dry clay,but which is, in our opinion, best adapted to the makers and patentees, Messrs. Bradley and Craven,of Wakefield, have had a large experience in machineryof this sort. Simplicity of parts and strength are the main cha-racteristics of this machine. If the material be coars
. The Practical brick and tile book. to receive the next brick. In the meantime, a self-acting push-plate forces the brick, already pressed, outof the die upon a self-acting table prepared for carry-ing it away. The following well-arranged machine belongs to theclass which can operate upon either plastic or dry clay,but which is, in our opinion, best adapted to the makers and patentees, Messrs. Bradley and Craven,of Wakefield, have had a large experience in machineryof this sort. Simplicity of parts and strength are the main cha-racteristics of this machine. If the material be coarse or strong, it must be crushed 228 RrDiHEirrs of the before being passed into the hopper, into which it maybe delivered either with or without water. Two moulds receive the charge of clay at once.^Vhile these are being filled, the two that had been Fig. just before filled are being subjected to a considerablepressure, and the two bricks that had just previously tothat been so pressed are in process of delivery, out ofthe moulds and on to a flat belt which takes themaway. For the production of smooth, well-squared facingbricks this machine works extremely well. We now arrive at the last class, namely, of ma-chines intended specially to operate upon dry clay, ornearly dry clay. Amongst these we may notice the patent machine ofHersey and Walsh, which has been recommended by a ART OF MAKING BRICKS AND TILES. 229 competent authority—Mr. Humphrey Chamberlain,Consulting Pottery Engineer, formerly of Kempsey,near Worcester. This machine is stated to have been an Americaninvention, which attracted attention from the simplicityof its movements and the enormous power it was capa-ble of exerting with a small amount of friction. Itwas found working successfully in the United States,and arrangements made for its introduction in thiscoxmtry. It p
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbr, booksubjectbricks
