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Description: | A piece of lead alloy casting waste. It consists of a feeder and two sprues. The feeder is a cup-shaped (or inverted cone) central element with a casting seam down each side, and a hollow in the centre. This provides a reservoir of molten metal to feed into the mould as the metal inside hardens and shrinks. Projecting from the base are two sprues, one to each side. These are sub rectangular in section. These divide near the bottom, with one fork rising to the side. This may be the outlet or riser where air could escape from the mould as the molten metal was poured in the gate. The end of one of these projections is bent over. It is 39.8mm long, 22.3mm wide, 24.2mm thick, and it weighs 29.49gm.Although this find is impossible to date, it is an important piece of evidence for metal working taking place in this area.
Original Image | Publisher: | http://finds.org.uk | Source: | Portable Antiquities | Identifier: | http://finds.org.uk/database/artefacts/r... | Go to resource |
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