A treatise on the origin, progressive improvement, and present state of the manufacture of porcelain and glass (1832)
[Porter, George Richardson], 1792-1852. [from old catalog] · Philadelphia, Carey & Lea · leaf 90
and to support the stems of the pipes. The side of the cruci-ble is provided with six horizontal ledges, proceeding at equaldistances all round, and upon these the bowls of the pipes arearranged, while the stems are made to lean against the central CHAP. VII, MANUFACTURE OF TOBACCO PIPES, 89… … The property possessed by tobacco pipes of adhesiveness tothe tongue, is owing to the great affinity which the clay hasor water: this quality is much increased by the baking pro-cess. The manufacture of tobacco pipes is prosecuted to a veryconsiderable extent in Holland, whence large quantities…
Porcelain · Glass manufacture
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