RUBBER CEMENTS: See Adhesives.

RUBBER GLOVES, SUBSTITUTE FOR: See Antiseptics.

RUBBER, ITS PROPERTIES AND USES IN WATERPROOFING: See Waterproofing.

RUBBER VARNISHES: See Varnishes.

RUBY SETTINGS: See Watchmakers’ Formulas.

RUOLTZ METAL: See Alloys.

RUM, BAY: See Bay Rum. {623}

RUST PREVENTIVES

(See also Enamels, Glazes, Paints, Varnishes, Waterproofing.)

In spite of the numerous endeavors to protect metal objects from oxidation, a thoroughly satisfactory process has not yet been found, and we still have to resort to coatings and embrocations.