The Egyptian sand-core technique: a new interpretation
D. Labino · Journal of Glass Studies · 1966
The results of successful attempts to reproduce sand-core glass are described. The glass compositions were essentially sand-soda-lime analogous to those used by the Egyptians. The crucibles used for melting the glass were small, 7.6 cm in diameter and 8.2 cm in height. A cylindrical sand-core was cast, dried, and then shaped to correspond with the inside shape of the vessel to be duplicated. A core was first pre-heated and a metal rod was inserted into it. It was then put into the furnace and brought to red heat. The dipstick used to trail the glass onto the core was a metal rod bent at a 90° angle at the dipping end. Then the core was returned to the heat and more glass added to the end near the rod to form the neck. The decorations were applied by usual glass-making techniques. The core was removed after cooling. Several of the operations are pictured. -- AATA