BIACCA: white lead. Tra. 116.

BIANCHIMENTO: blanching solution. BIANCHIRE, to use this solution, or more generally to clean or whiten silver. Tra. 48, 146, 149. See also [GROMMATA].

BIETTA: a wedge of iron, such as is used for fastening the dies into the frame for minting. Tra. 122. Or of wood for tightening up a plaster mould. Tra. 167.

BOCCA: a mouth; the lip of a jug; the channel in which to pour the metal in a casting, &c. BOCCA PRINCIPALE, the main entrance. BOCCA DELLA SPINA, the mouth of the plug, from which the molten metal flows into the mould. BOCCA DEL MARTELLO, the thick end of a hammer. Tra. 131.

BOCCIA: a retort; an alembic. Tra. 156.

BOCETTA: a flask or bottle. Tra. 15.

BOLO ARMENIO (TERRA DI): bole of Armenia, a red earth used for gilding grounds, &c. Tra. 111.

BOLSO: blunted. Tra. 131.

BORDELLERIE: lumber (S.). V. 39. Large, clumsy rubbish.

BORRACE: borax. Tra. 17.