CATALOGUE. PHILOSOPHY AND ARTS, PRACTICAL MECHANICS. 205 



Caleoder Mills and Mangles, with 

 Rollers. 



Bunting's calender mill, worked by a crank 

 supported on rollers. S. A. XV. 269. Re- 

 pert. YUl. 176. 



Jee's mangle worked by a crank. S. A. XVI. 

 303. Repert. XIV. 109. Ph. M. II. 419- 



Calendering is usually performed by a polishing stone or 

 glass pressed down by a spring, and moved backwards and 

 forwards by a mill. 



Compression between Rollers. 



Rolling press. Emers. mech. f. 273. 

 Cazaud connaissances pour juger des moulins 

 acannes. Pli.lr. 1780.318. 



The work of 36 mules produces 80 or lOO gallons of li- 

 quor in an hour : making 120 to 150 hogsheads in a season; 

 the immediate resistance being about 19,000 pounds ; a good 

 water mill should do twice as much. 



Sugar mill. E. M. PI. IV. Sucrerie. 



Watt's patent for copying writings. Repert. 



I. 13. 



Kirkwood's patent copperplate printing press. 



Repert. ii. III. 245. 



Compression by Percussion. 



Dubois's rams or stampers for beating the 

 earth. A. P. 1726. H. 70. Mach. A. IV. 

 163,169, 171. 



Extension. 

 Simple Extension. 

 Glass blowing and drawing threads of glass. 

 £. M. A. VIII. Art. Verre. 



Reaumur thinks that glass as fine as spider's webs might 

 be woven. 



Extension by Pressure. 

 A. P. 1714. H. 



Dalesme proposed to draw leaden pipes with a core, ift 

 the way that the patent pipes are now made. 



Fayolle's machine for laminating lead. A. P. 

 1728. H. 108. Mach. A. V. 43. 



Blackey on drawing steel wire. A. P. 1744. 



H. Gl.Mach.A. VII. 2.'>5. 

 Chopitel's machine for laminating iron. A. 



P. 1752. H. 148. 

 Vaucanson's machine for laminating silver 



and gold thread. A. P. 1757. 155. H. I6I. 

 Plating mill. Emers. mech. f. 251. 

 Glazier's vice. Emers. mech. f. 305. 

 Duhamel Art de reduire le fer en fil d'archal. 



f. Par. 



Ace. A. P. 1768. H. 128. 1770. H. 110. 

 E. M. A. IV. Art. Laminage. 

 Wire drawing. E. M. A. VIII. Art. Tireur- 



fileur. Trefilerie. 

 Drawing rods for bolts. E. M. PI. IV. Serru- 



rerie. PI. 24. 

 Glazier's vice. E. M. PI. V. Vitrier. PI. 3. 

 Wilkinson's patent pipes, drawn on a core. 



Repert. XVI. 92. 



Extension by Percussion. 



Compagnot's forge hammer. A. P. 1730. H. 



115. Mach. A. V. 101. 

 Forge hammer. Emers. mech. f. 236.237. 

 Courtivron et Bouchet Art des forges a fer. f. 



Paris. 



Ace. A. P. 1761. H. 153. 1762. H. 187. 

 Duhamel Art de forger les enclumes. f. Par. 



Ace. A. P. 1762. H. 188. 

 Forges. Roz. Introd. II. 76. 

 Forges. E. M. A. II. Art. Fer. 

 Hand forge. E. M. PI. IV. Serrurerie. PI. 32. 

 Gold and silver leaf. E. M. A. I. Art. Bat- 



teur. 

 Forges at Carron. Smeaton's reports. 

 On hammering metals into plates. Nich. I. 



131. 

 Hand forge. PesronRecueil. PI. 9, 17. 

 Walby's forge hammer worked by a man. S. 



A. XXII. 335. 

 A hammer of 70 pounds making 300 strokes in a minute. 



