xiv TABLE OF CONTENTS. 



Russia, 490; Golden Olive on Cloth, 490 ; Dyeing Silk, 490 ; Beautiful Black 

 for Straw Hats, etc., 491 ; Dyeing Black with Cerium Salts, 491 ; New 

 Black for Wool, 491; Xylindein, a New Dye-stuff, 492; Eosin, a New 

 Fluorescent Dye-stuff, 492 ; a New Aniline Bed, 492 ; Georgine, a New 

 Yellow Dye, 493 ; Baryta-green, 493 ; Dyeing Cotton Pure Blue, 493 ; For- 

 mation of Furpurine for Alizarine, 494; Dove-color on Raw Wool, 494. 

 Painting, Staining, and Varnishing : Varnish for Blackboards, 495 ; 

 Rendering Oak Wood a Beautiful Orange-yellow, 495 ; Brown Stain for 

 Oak, 495 ; Deep Walnut Stain for Light AYoods, 495 ; Gold Varnish for 

 Metals, 496; Gilding Letters and Designs on Glass, 496; Oil-paint for 

 Floors, 497 ; Adulteration of Beeswax with Paraffin, 500 Oils, Wax, Gums, 

 and Resins : Purification of Fixed Vegetable Oils, 497 ; Palmieri's Dra- 

 gometer, 497 ; Clarifying an Alcoholic Solution of Shellac, 499 ; Oleic Acid 

 as a Solvent and Test for Gum Copal, 500 ; the Industrial Employment of 

 the Light Products of Petroleum, 522. Plating or Coating with Metals 

 Tinning Iron Tacks, 514; Brilliant Zinc Coating on Brass and Copper, 514 

 Enameling on Brass and German Silver, 515; Bronzing Iron Castings, 515 

 Nickel-plating Process, 515 ; Production of a Brownish Patina on Zinc, 516 

 Coating Mirrors with an Alloy of Gold and Platinum, 516 ; Nickel-plating 

 Solution, 516. Alloys : Copper Alloy that will Adhere to Glass, 512. Pol- 

 ishing : Steel Brushes for Cleaning Iron Castings, 498. Cementing : A 

 New Cement, 510; Attaching Leather to Metal, 510; Marine Glue, 510; 

 Durable Glue, 511; Liquid Glue, 511; Gelatin and Bichromate of Potash 

 Cement for Glass, 512. Sundry Chemical Processes : Preparation of Blood 

 as a Powder, 520 ; Carre's Carafe Ice-machine, 522. Raw or Simple Ma- 

 terials used in the Arts : Schweitzer's Solvent for Cellulose, 500 ; Utili- 

 zation of Chrome-alum, 501 ; Modifications of Chrome-alum, 502 ; Cuir- 

 liege, a New Fabric, 505 ; Russia Leather, 508 ; a New Glass, 512 ; Harden- 

 ed Glass, Vulcan Glass, and Metallic Glass, 513 ; Hardening Glass, 513 ; 

 Artificial Gems of Hardened Glass, 514 ; Water-glass for Washing Cotton 

 used in Cleaning Machinery, 514. Utilizing Waste Products : The Hair 

 of Squirrels' Tails for Brushes, 503 ; Utilization of Leather-waste, 606. 

 Adulterations: Adulteration of Beeswax with Paraffin, 500. Miscella- 

 neous : Uses of Gelatinous Hydrated Phosphate of Lime, 499; Removing 

 Vegetable Substances from AVool, 502 ; Numbering Silk Thread and Fab- 

 rics, 504 ; a New Industry, 507 ; Cement for Ovens, 509 ; Reflector for 

 Moulders, 517 ; Self-feeding Nail-machine, 517 ; Flexible Mandril for Bend- 

 ing Metal Pipes, 517 ; Tempered Steel Brushes, 518 ; Rapidity of Filtra- 

 tion, 518; New Application of Infusorial Earth, 519; Condensing Beer for 

 Preservation, 519 ; New Form of Paper Filter, 519 ; another Direct Soda 

 Process, 520; Air-tight Joints, 520; to Prevent Shafting Accidents, 521. 

 Tanning and Dressing Skin : New Substitute for Bark in Tanning, 507 ; 

 Olive-oil and Glycerine as a Partial Substitute for Yolk of Egg in Tanning, 

 508 ; Rapid Tanning Process, 508. 



N. MATERIA MEDICA, THERAPEUTICS, AND HYGIENE 525 



(a.) MATERIA MEDICA. 



Jolly on Phosphate of Lime, 525 ; Hypodermic Injection of Lactate of 

 Soda, 525 ; Therapeutical A'alue of Silphium, 525 ; New Substances of the 



