Society of Glass Technology · [Sheffield] · leaf 166
structed to adjust the size of mould to the box.The wood framework also acts as a reinforcement and protects theplaster from injury. This method is applicable to large as well asto small moulds. A 38-inch pot can be dealt with in the same way,but in this case runner wheels would be fitted to the… … Fig. 9. S8-inch dog-house pot, which was cast under a vacuum of 17 inchesto 20 inches in tbe mould illustrated by Fig. 8. The pot was madefrom materials supplied by a pot-maker of repute,-and fired in amuffle kiln to 1200° to 1250°. If a higher vacuum had been usedthe piece would have been denser.…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
