xiv TABLE OF CONTENTS. 



472; Testing Mineral Oils, 506; Silbcr's Process of Illumination, 508 ; Illu- 

 mination by Electrical Light, 507; Ozokerite CancUes,473; Matches with- 

 out Sulphur, 490; Coating for Lamp-shades, 472; Purification of Tallow, 

 596. Heating : Flame of Compressed Gas, 491 ; Improved Bunsen Lamp, 

 472. Ventilation : Substitute for Double Windows, 495. 



(C.) CLOTHING AND ADORNMENT. 



Hair Fradicatt.r, 4S1); Kc-latiun of the Air to Clothing, 492; Protection of 

 Clutliint; against Moths, 502. 



(d.) THE LAUNDRY. 



Improved Soap, 472 ; Proper Combinations in Soap, 487; Washing Wool- 

 ens, 474 ; Cleaning Silk and Woolens, 474 ; Prevention of the Escape of 

 Charcoal Fumes in Ironing, 474 ; Removal of Ink-stains, 496. 



(C.) THE TABLE. 



Apparatus and Utensils : Enamel for Copper Vessels, 475 ; Pitching Com- 

 pound for Woollen Vessels, 489 ; Conical Waste-pipes, 496 ; Filters of Spun 

 Glass, 489. Preparation of Food for the Table : I'reparation of Eels for 

 Cooking, 485 ; Kendering Fowls Tender, 496 ; To Prevent Hardening of 

 Pease in Boiling, 486. Its PreEervation : Parchment Paper for Sausage- 

 skins, 496 ; Acetate of Soda as a Pickle, 476, 498 ; Rapid Pickling of INIeat, 

 478 ; New Process of Preserving Meat Fresh, 477 ; Preservation by Cold, 477 ; 

 Theory of Preserving Animal Substances, 503. Transportation : of Spirits 

 in Iron Vessels, 469 ; of ]Milk, 476. Substances used as Food : Butter : 

 Washing, 480 ; Treatment when Rancid, 481 ; Proper Temperature of the 

 Air in Making, 481 ; Shipping in Sealed Cans, 481 ; Determining Purity of, 

 503 ; Talloio : Purification for Culinary Purposes, 483, 596 ; Milk : Action 

 of Microzymes on, 484 ; Advantages of Condensed, 497 ; Transportation of, 

 476 ; Adulteration of, 485 ; Meats : New Preparation of, 509 ; Value of Gel- 

 atine as Food, 509 ; Conversion of Young Deer-horn into, 610 ; Cuttle-fish, 

 487 ; Jellies : Preparation of Currant Jelly, 488 ; Flou7- : Action of Sunlight 

 on, 485 ; Vermicelli : Chinese Preparation of, 504 ; Soy : Chinese Prepara- 

 tion of, 505 ; Tea : 474 ; Coffee : 474 ; Adulteration of, 487 ; Indigestibility of 

 Cafe au Lait, 504 ; Wine : Preservation by Heat, 404, 482 ; Influence of Sul- 

 phuric Acid on, 403; Beer: Preveitting its Acidification, 482; Made with- 

 out Hops, 483. 



(f.) THE STABLE. 



Wagon Lubricant, 488 ; Keeping Harness Pliable, 489. 

 (g.) MISCELLANEOUS. 



Petroleum for Cleaning Guns, 505 ; Improved Rifle, 510. 



L. MECHANICS AND ENGINEERING (cxviii) 511 



(a.) MATERIALS. 



Mortars, Cements, and Slags : Comparison of Ancient Mortars, 527 ; INIa- 

 rezzo Marble, 511; Imitation Marble, 512; Building-stone of Slag, Coal 

 Ashes, etc., 512 ; Utilization of Furnace-slag, 527. Metal : General: Rela- 

 tion of the Temper of Steel to its Magnetic Power, 148 ; Experiments on 

 the Strength of Steel, 540 ; Testing the Quality of Iron, 515 ; Surface Hard- 

 ening of Cast Iron, 513 ; Exportation of Iron to Great Britain, 526 ; Fur- 

 jtures: Siemens' Regenerative Gas Furnace, 514; Defty's Puddling Fur- 

 naro, 5J2; fni Mdiiiifarfiiro : Improvomont in Puddling. 51.'> : Direct 



