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Forma

dim. Formŭla, Formella (τύπος). A pattern, a mould; any contrivance adapted to convey its own shape to some plastic or flexible material, including moulds for making pottery, pastry, cheese, bricks, and coins. Several moulds for use in cookery are among the kitchen utensils

Forma, Mould for Coins.

found at Pompeii. The moulds for coins were made of a kind of stone which was indestructible by heat (Pliny , Pliny H. N. xxxvi. 168). The mode of pouring into them the molten metal for casting the coins will be best understood from the preceding illustration, which represents one side of a mould, engraved by Seroux d'Agincourt. For the moulds used in casting terra-cottas, see Ectypus. The shoemaker's last was also called forma, formula, and tentipellium, and in Greek καλόπους (Plat. Symp. 191A). The spouts and channels of aqueducts were likewise styled formae.

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