12 



CHAPTER XVIII. 



Arts of Combining Flexible Fibres. 



Theory of Twisting, Rope Making, Cotton Manufacture, Elementary Inven- 

 tions, Batting, Ciirilins. Drawing. Roving, Spinning, Mule Spinning, Warping, 

 Dressing, Weaving, Twilling, Double Weaving, Cross Weaving, Lace, Carpeting, 

 Tapestry, Velvets, Linens, Woolens., Felting, Paper Making. 



CHAPTER XIX. 



Arts of Horology. 



Sun Dial, Clepsydra, Water Clock, Clock Work, Maintaining Power, Regulat- 

 ing Movement, Pendulum, Balance, Scapemenl, Description of a Clock, Striking 

 Part, Description of a Watch. 



CHAPTER XX. 



Arts of Metallurgy. 



Extraction of Metals, Assaying, Alloys, Gold, Extraction, Cupellation, Parting, 

 Cementation, Alloy, Working, Gold Beating, Gilding on Metals, Gold Wire, 

 Silver, Extraction, Working, Coining, Plating, Copper, Extraction, Working, 

 Brass, Manufacture, Buttons, Pins, Bronze, Le«S, Extraction, Manufacture, Sheet 

 Lead, Lead Pipes, Leaden Shot, Tin, Block Tin, Tin Plates, Silvering of Mirrors, 

 Iron, Smelting, Crude Iron, Casting, Malleai)le Iron, Forging, Rolling and Slit- 

 ting, Wire Drawing, Nail Making, Gun Making, Steel, Alloys of Steel, Case Hard- 

 ening, Tempering, Cutlery. 



CHAPTER XXI. 



Arts of Vitrification. 



Glass, Materials, Crown Glass, Fritting, Melting, Blowing, Annealing, Broad 

 Glass, Flint Glass, Bottle Glass, Cylinder Glass, Plate Glass, Moulding, Pressing, 

 Cutting, Stained Glass, Enamelling, Artificial Gems, Devitrification, Reaumur's 

 Porcelain, Crystallo-Ceramie, Glass Thread, Remarks. 



CHAPTER XXII. 



Arts of Induration by Heat. 



Bricks, Tiles, Terra Cotta, Crucibles, Pottery, Operations, Stone Ware, White 

 Ware, Throwing, Pressing, Casting, Burning, Printing, Glazing, China Ware, 

 European Porcelain, Etruscan Vases. 



A FAMILIAR TREATISE ON THE CONSTITU- 

 TION OF THE UNITED STATES, by the Hon. Judge 

 Story, L L. D., Jluthor of ' Commentaries on the Constitu- 

 tion,^ S^'c. 



LIFE OF DR. FRANKLIN. 



SELECTIONS FROM THE WRITINGS OF 

 FRANKLIN, by Jared Sparks, L L. D., Professor of His- 

 tory in Harvard University, Jluthor of ' the Life and IVHtings 

 of Washington, ' ' the Life and JVritijigs of Franklin, ' &^c .c^c. 



CHRISTIANITY AND KNOWLEDGE, by the Rev. 



Royal Robbins. 



The design of this Work is to show what Christianity has done for 

 the human intellect, and what that has done for Christianity. 



