Society of Glass Technology · [Sheffield] · leaf 569
troleum hydrocarbons, the origin ofwhich was traced to the decaying or pugging process of the claypreparation. W. S. 177. The Manufacture of Glass Pots. (Diamant, 1923, 45,114).—A special method stated to be employed in Bavaria. Clay andgrog were mixed to a suitable slip with water, and, by a… … 124 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. communicating by cross channels and slits with the outside, whereby the extruded water could pass away. By maintaining the pressure, a compact, fairly dry mass was finally obtained, at which stage the mould (specially constructed to allow of this) was…
Glass
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