CONTENTS OF THE CATALOGUE. ^3 



Page 



VVheelvvork 183 



Particular Kinds of Wheels ■ 183 



Stnicture and Proportions of Wheels 183 



VVheelwork with Appendages 184 



Friction of Wheel work 184 



Machinery for Entertainment 184 



Union of Flexible Fibres 184 



Materials 184 



Animal 184 



Vegetable 184 



Mineral 185 



Preparations for Spinning or Winding 185 



Spinning 186 



VVinding, Reeling, and Simple Twisting 186 



Itopemaking 186 



Manufacture of Cloth. Weaving ' 187 



I Looms and their Parts 187 



jOperations subsequent to Weaving 188 



Textures not regularly woven 188 

 Knots ' 189 



Sewing 189 



Appendages to Clothes 189 



Felting 189 



Papermaking 190 



IPapermills 190 



Timekeepers in General 191 



Particular Construction of Clocks and Watches 191 



Parts of Timekeepers 193 



Maintaining Power 193 



Fusee 193 



Wheels 193 



Escapements, or Scapements 193 



Pendulums and Balances 194 



Hands and Bells 194 



Compensations and Corrections 194 



Sympathy of Clocks 195 



Supports'for Clocks, and Management of Timekeepers I95 



Sandglasses I96 



Measures of Time not simply Mechanical 196 



Raising Weightsin General 196 



Levers I96 



Wheel and Axis 196 



Capstans 190 • 



Puilies 197 



Fixed Inclined Planes I97 



Wedge 197 



Screws 197 



Jacks, Cries, Fr. 198 



Cranes and Gins 198 



Modes of Raising Weights of particular Descriptions 199 



Lowering Weights 200 



Removing Weights, Diminishing Friction, 200 



