Magic In Metal Reel 2 (1960-1969)

The cores now bakes hard are removed from the ovens and any rough edges are smoothed off. They are then sprayed with a graphite mixture. These are placed into a moulding box, sand is added and it is put on a jolting machine and rammed tight. Two moulds are made for the upper and lower case. These are assembled ready to be filled with the molten metal.
A metallurgist checks the quality of the molten metal through a tinted glass spy hole. A tapping of the molten metal is sent to the laboratory for purity tests. Details of the testing and analysis. After the OK, the foundry men unplug the cocollar (sp) and the molten iron runs out and powdered alloys are added. A ladle of the molten metal is then transported ready for pouring.
FILM ID:2299.03
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