675,013. Firing pottery. PRICE, A. March 7,1951 [Dec. 8, 1949] No. 31477/49. Class 87(i) In a potter's crank having pillars.11 removably mounted on a base, a vertical rib or ribs 14, 14a, preferably of T-section, are provided on each pillar and spurs 22 formed with corresponding recesses are slidably engaged therewith. Where more than one rib is provided, the tapered peg 12 by which the pillar is mounted on the base is offset from the centre of the pillar to allow of adjustment of the crank for various sizes of ware.
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