the provision of by the same means be possible to cause a second similar receptacle filled with moistened absorbent material, means for automatically locking the stool in open posi- which serves to preserve a proper de- tion, so as to afford a stable support whereon the seat gree of moisture in the… … been broken away to show the per- ends of the arm. This obviously prevents accidental forated drum and the conveyer. The folding and holds the legs from drawing together un- ends of the casing are closed by der the weight of a person sitting on the stool. The CENTRIFUGAL MACHINE. flanges, which fit…
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