OAK:

See Wood.

ODONTER

See Dentifrices.

OIL, CASTOR: See Castor Oil.

OIL FOR FORMING A BEAD ON LIQUORS

See Wines and Liquors.

OILS FOR HARNESS

See Leather.

OILS (EDIBLE), TESTS FOR:

See Foods.

OIL, HOW TO POUR OUT

See Castor Oil.

OIL, LUBRICATING

See Lubricants.

OILS, PURIFICATION OF

See Fats. OILCLOTH:

See Linoleum.

OILCLOTH ADHESIVES

See Adhesives.

OILCLOTH VARNISHES

See Varnishes.

OILING- FIBERS AND FABRICS

See Waterproofing.

OILSKINS

See Waterproofing.

OIL REMOVERS

See Cleaning Preparations and Methods.

OIL, SOLIDIFIED

See Lubricants.

OINTMENTS FOR VETERINARY PURPOSES

See Veterinary Formulas.

OLEIN SOAP

See Soap.

OLEOMARGARINE

See Butter.

OLIVE-OIL PASTE: See Butter Substitutes.

ONYX CEMENTS

See Adhesives.

ORANGEADE

See Beverages, under Lemonades.

ORANGE BITTERS AND CORDIAL

See Wines and Liquors.

ORANGE DROPS

See Confectionery.

ORANGE EXTRACT

See Essences and Extracts.

ORANGE FRAPPÉ:

See Beverages, under Lemonades.

ORANGE PHOSPHATE

See Beverages.

ORGEAT PUNCH

See Beverages, under Lemonades.

ORTOL DEVELOPER

See Photography.

OXIDIZING

See Bronzing, Plating, Painting.

OXIDE, MAGNETIC

See Rust Preventives.

OXOLIN

See Rubber.

OZONATINE

See Air Purifying.