A wax sprue system is attached to the wax casting before the first of several coatings of liquid and powdered silicate.
The ceramic shell encased sculpture is then heated to harden and melt out the inner wax. The remaining void …
The empty ceramic shells are now ready. They are supported in a bed or pit of sand. Bronze ingots are heated in a furnace up to approximately 1200 degrees centigrade. The melted bronze is poured into the top of the …
Once cooled the ceramic shell containing the bronze sculpture is removed or “knocked off”. All sprues are now cut away from the bronze sculpture, and are “chased”. This means these areas are worked until there is no trace, leaving the …