Henley's Twentieth Century Formulas, Recipes and Processes

by Unknown

SHELL CAMEOS.

If shell cameos and corals have become too hot in cementing and cracks have appeared in consequence, olive oil is applied and allowed to soak in by heating. The same process is employed for shell cameos which have developed white fissures, owing to being filed smaller.

SHELL, IMITATION OF: See Casein Compounds.

SHELLS, LUBRICANTS FOR REDRAWING: See Lubricants. {631}

SHELL POLISHES: See Polishes.

SHELLAC: See Varnishes.