94 



CONTENTS OF THE CATALOGUE. 



Page 

 Removing Weights without Wheel Carriages 200 



Theory of Wheel Carriages 201 



Particular Kinds of Carriages 201 



Parts of Carriages 203 



Appendages to Caniages, Drags, Harnesses, Sadlery 203 



Roads 203 



Compression 204 



Presses, strictly so called 204 



Vices, Pincers, and Pliers '204 



Calender Mills and Mangles, witli Rollers 205 



Compression between Rollers 205 



Compression by Percussion 205 



Extension 205 



Simple Extension ' 205 



Extension by Pressure 205 



Extension by Percussion 205 



Arts depending principally on Extension 206 



Penetration and Division ' 206 



Theory of Penetration 206 



Instruments of Penetration in General, and Substances of 



which they are composed 

 Penetration by Pointed Instruments 

 Cutting Instruments or Edge Tools 

 Lathes 



Division, or Separation without Sharp Instruments 

 Sawing 



Wheelciitting, Filing, and cutting Screws 

 Grinding and Polishing 

 Boring 

 Diggin; 





Mfmng, and Subterraneous Work in General 



Ploughing, Sowing, and Harrowing 

 Trituration, Pulverisation, Levigation, Mills 

 Parts of Mills 



Appendages to Mills, Preparation, of Corn and Flour 

 Machines for Agitation, nearly allied to Mills 

 Demolition 

 History of Mechanics 

 (Particular Dates 

 Hydrodynamics in General 

 Hydrostatics 



|Equilibrium of Floating bodies 

 Pneumatostatics, or Pneumatic Equilibrium 

 Theoi-y of Hydraulics 



Oscillations of Fluids, and of Floating Bodies 

 Phenomena of Rivers 



Resistance of Fluids, or Hydraulic Pressure 

 Hydrostatic Instruments 

 Levels 



Determination of Specific Gravities 

 iHydrometers 

 Hydraulic Architecture in General 



207 



207 



208 



209 



210 



210 



210, 



210 



211 



211 



211 



212 



213 



215 



215 



216 



216, 



216 



217 



219 



2J9 



220 



220 



221 



223 



224 



225 



231 



231 



231 



231 



232 



