GATTA: see [OCCHIO DI GATTA].

GESSO: plaster of Paris, or one or other of the various compositions made from it with resin, beeswax, &c. Cellini has GESSO VOLTERRANO: gesso of Volterra. Tra. 100. GESSO COTTO: Tra. 100. GESSO IN PANE: gesso in the cake. Tra. 154. GESSO DI TRIPOLO: see [TRIPOLO].

GETTO (ARTE DEL): the art of bronze casting. Tra. 7.

GIRARE: to reverberate; of the flame in the furnace. Tra. 189. Also, V. tr. to handle, as of the graver, GIRARE IL BULINO. Tra. 13.

GIRASOLE: the girasol opal. Tra. 43.

GITTARE: to cast (of metal). Tra. 48, 76. Also in another sense, to lean or verge towards, e.g., of the colour of marble. Tra. 195.

GIULIO: a Tuscan coin of 56 Italian centimes or 8 Tuscan crazie, which in Florence was also called barille or gabellotto, because the sum had to be paid as duty on a barrel of wine. (S.).

GOCCIOLA, GOCCIOLINA: a drop, as of the water distilled from pear or quince seed, used for enamelling. Tra. 36.

GOLA: the neck, e.g., of a vase. Tra. 133.

GOMMA, used alternately with GROMMA & GROMMATA: Any solution for the blanching or cleaning of metal. More strictly, the incrustation in wine casks, tanks, & water pipes. Gomma or gromma di botte is the tartar of wine casks used for the cleaning of metals and gilding silver; tartrate of potash. Tra. 48, 106.