Part 536

Opium and All Its Compounds, Poison, 95

Optical Lenses, Cleaning, 208

Orangeade, 110

Orange Bitters and Cordial, 762, 764 Drops, 216 Dye, 271 Extract, 316 Flower Water, 520 Frappé, 110 Peel, Soluble Extract, 316 Phosphate, 112

Ordinary Drab Dye, 281 Green Glass for Dispensing Bottles, 373 Negative Varnish, 544

Oreïde (French Gold), 68

Orgeat Punch, 110

Ornamental Designs on Silver, 641

Ornaments of Iron, Blackening, 495

Orris and Rose Mouth Wash, 258

Ortol Developer, 527

Ox-gall Soap for Cleansing Silk, 654

Oxide, Magnetic, 625 of Chrome, 172 of Tin, 172 of Zinc Poison, 97

Oxidized Steel, 584

Oxidizing, 139 Processes, 581

Ozonatine, 44

Package Pop, 107 Wax, 755

Packing for Gasoline Pumps, 488 for Stuffing Boxes, 488

Packings, 488

Pads of Paper, 488, 502

Pain-subduing Ointment, 487

Paint, Acid-resisting, 10 Bases, 489 Brushes, 490 at Rest, 141 Cleaning, 140 Deadening, 491 Dryers, 492 for Bathtubs, 501 for Blackboards, 489 for Copper, 495 for Iron, 496 for Protecting Cement Against Acid, 9 Grease, 229 Peeling of, 501 Removed from Clothes, 192 Removers, 187 to Prevent Crawling of, 490 Varnish, and Enamel Removers, 187

Painters’ Putty, 607

Painting on Leather, 455 on Marble, 488 on Muslin, 488 Ornaments or Letters on Cloth and Paper, 488 Over Fresh Cement, 499 Processes, 488

Paintings, 488 to Clean, 195

Paints, 489 Dry Base for, 489 for Gold and Gilding, 492 for Metal Surfaces, 495 for Roofs and Roof Paper, 497 for Walls of Cement, Plaster, Hard Finish, etc., 498 for Wood, 500 Stains, etc., for Ships, 498 Waterproof and Weatherproof, 499

Pale Purple Gold, 383

Pale-yellow Soap, 652