Cracking Off
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The removal of an object from off a pontil. After cooling and scoring, as opposed to shearing, of the hot glass, the blow pipe is softly knocked and the object drops into a sand tray, V-shaped holder held by an assistant. | The removal of an object from off a pontil. After cooling and scoring, as opposed to shearing, of the hot glass, the blow pipe is softly knocked and the object drops into a sand tray, V-shaped holder held by an assistant. | ||
| − | Also the | + | Also the technique for making a rim on blown vessels, using a piamond point or other sharp stone and a trail of glass, and the vessel is separated from the overblow. |
Latest revision as of 09:10, 29 December 2010
The removal of an object from off a pontil. After cooling and scoring, as opposed to shearing, of the hot glass, the blow pipe is softly knocked and the object drops into a sand tray, V-shaped holder held by an assistant. Also the technique for making a rim on blown vessels, using a piamond point or other sharp stone and a trail of glass, and the vessel is separated from the overblow.
