CATALOGUE. — HYDRAULIC INSTRUMENTS AND MACHINES. 



247 



The perforation of a valve, as well as the aperture of an 

 air vessel, might with advantage be trumpet shaped. Ro- 

 bison. 



Machines for raising Water. Pwnps 

 of all kinds. Fire Engities, and 

 Fountains not simple. 



Vitruvius. 



Ramelli. 



Sf rarfa Wasserkiinsten. f. Frankf. 1617.M. B. 



Cologne, 1623. 

 De Cam Inventions hydrauliques. f. M. B. 

 Cavalleri's liydracontisteiium and Prince 

 Rupert's engine. Birch. 1. 285. 

 Both made by one cylinder revolving within another, the 

 internal one having a sliding valve, like Bramah's patent. 



"t-Moreland's undertaking to raise water. Ph. 



tr. 1674. IX. 25. 

 Description of a fire engine. Ph. tr. I676. 



XI. 679. 



Conyers's cheap pump. Ph. tr. 1677. XII. 



888. 



Made of wood, square and tapering : the bottom 8 inches 

 square. 



fPapin's secret way of raising water, with 

 various conjectures upon it. Ph. tr. Id85. 

 XV. 1093, 1254, 1274. 

 A trick, a communication being formed by means of air ; 



which the author proposes to extend to a great distance. 



Papin's engine for raising water. Ph. tr. 



1GS6. XVI. 2G3. 

 Papin Recueil de pieces touchant quelques 



machines. 8. Cassel, 1695. 



Ace. Ph. tr. 1697. XIX. 481. 



Describes the centrifugal or Hessian pump. 



fllule for judging of the goodness of hy- 

 draulic machines. A. P. I. 170. 



Perrault's new piston for pumps. A. P. I. 

 249. Mach. A. I. 9- 



Perrault's hydraulic machine. Mach. A. 1. 27. 



Gusset's hydraulic pendulum. A. P. II. 20. 

 Mach. A. I. 95. 



Lahire's hydraulic machine with little fric- 

 tion. A. P. IX. 161. 



Lahire's application of the epicycloid to 

 pumps. A. P. IX. 284. 



Lahire's perpetual pump. A. P. 1716. 322. 



Of jets. Mariotte Oeuvres. Traite des mouve- 

 mens des eaux. 



Joly's hydraulic invention. Mach. A. I. 75. 



Amontons's pump. Mach. A. I. 103. 



A hj'draulic machine. Mach. A. I. 113. 



Francini's hydraulic machine. Mach. A. I. 

 145. 



A fire engine. Mach. A. I. 151. 



Cordamoy's hydraulic machine. Mach. A. L 

 205. 



Billettcs's two hydraulic wheels. A. P. 1699. 

 184. H. 114. 



Gay's hydraulic macliine. Mach. A. II. 13. 



L'heurcux's hydraulic machine. Mach. A. II. 



191. 

 Lafaye's hydraulic machine. A. P. 1717- 



67. H. 70. 

 Joue's hydrauhc wheel. A. P. 1717. H. 84. 



Mach, A. III. 123, 127. 

 Martenot's hydraulic machine. Mach. A. III. 



157. 

 Marchand's artificial fountain. Mach. A. III. 



191.' 

 Auger's pump rods. A. P. 1721. H. 97. Mach. 



A. IV. 19. 



Auger's hydraulic* machine. Mach. A. IV. 



181. 

 Cabinet de M. de Serviere. 



Desaguliers's improvement of Haskins's mer- 

 curial pump. Ph. tr, 1722. XXXII. 5." 

 The objection is, that the mercury becomes oxidated. 



Ublemann's fire engine. A. P. 1722. H. 122. 

 Mach. A. IV. 35. 



•j-Perpoint's piston moving always in a pa- 

 rallel direction. A, P. 1722. H. 121. Mach. 

 A. IV. 33. 



