348 POTTERY IN ARCHITECTURE. receiving plate, and to provide it with a suitable die like the one shown in the figure. In order to avoid having a pit, vertical machines with pro- pelling cylinders are constructed, which rest upon cast-iron supports; between these is the receiving plate, balanced by… … Fig. 575. — Vertical Expression Machine (Joly). The Chambrette-Belon machine (Fig. 578) resembles the preceding one, but has only one support ; pipes 4 feet in length can be made by it. Some machines (Fig. 576) are placed upon one floor, while the lower storey contains the receiving plate, and the…
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