— Model Lubricant, [463]

— Mold, [152], [564]

— Objects, Cleaning of, [564]

— of Paris, Hardening, [32], [150], [564]

— Repairing, [27]

Plastic Alloys, [64]

— and Elastic Composition, [158]

— Metal Composition, [65]

— Modeling Clay, [184]

— Substances of Nitro-cellulose Base, [156]