248 



CATALOGUE. HTDRAULIC INSTRUMENTS AND AfACHINES. 



Hydraulic machines. Leupold. Theatr. Hy- 



draul. 

 Tielen en Van der Horst theatrum maclii- 



narum. 

 Dufay's pump to be tised as a fire engine. A. 



P. 1725. 35. H. 78. 

 Laesson's pump. Mach. A. IV. 145. 

 Mey and Meyer's hydraulic machine. A. P. 



1726. H. 71. 

 Beighlon on the waterworks at London 



bridge. Ph. tr. 1731. XXXVII. 5. 



They raised about 35 000 hogsheads 120 feet high in a 

 day. 



Denisart and de la Deuiile's hydraulic ma- 

 chine. Mach. A. V. 159. 

 Lebrun's hydraulic machine. A. P. 1731. H. 



91. 

 Ledemoust's hydraulic machine. A. P. 1732. 



H. 118. Mach. A. VI. 9. 

 Churchman's engine for raising water. Ph. 



tr. 1734. XXXVIII. 402. 



Worked by horses walking in and on a wheel, harnessed 

 to a fixed point : disapproves of cranks. 



Centrifugal pump. Mach. A. VI. 13. 

 Boulogne's hydraulic machine. Mach. A. 



VI. 15. 

 Boulogne's piston without friction. Mach. A. 



VI. 85. 

 Saulm's hydrauhc machine. Mach. A. VI. 



19. 

 Gallon's hydraulic machine. Mach. A. VI. 



173. 

 Deparcieux's hydraulic machine. A. P. 



1735. H. 101. Mach. A. VII. 29. 

 Lebrun's new piston A. P. 1735. H. 102. 

 Drussen's pump. A. P. 1735. H. 102. 

 Renou's hydraulic machine. A. P. 1735. H. 



103. 

 Bertier's hydraulic machine. A. P. 1735. H. 



103. 

 Pitot's new theory of pumps. A. P. 1735. 



327. H. 72. 1739. 393. 1740. 511. 



Pilot on the screw of Archimedes, A. P. 



1736. 173. H. 110. 

 Policy theatrum machinarum. Amst. 1737. 

 BernouUii hydrodynamica. 



Screw of Archimedes. 



Bernoulli on the spiral pump. N. C. Pelr, 



XVII. 249. 

 Camus on the best application of buckets. A. 



P. 1739. 157. H.49. 

 Camus on the best proportions of pumps. A. 



P.' 1739. 287. H.49. 

 Gensanne's improvements of pumps. A. P. 



1741. H. 163. 

 Gensanne's fire engine. Mach. A. VII. 95. 

 Geflfrier's hydraulic machine. A. P. 1743. H. 



168. 

 Dupuy's pump. Mach. A. VII. 85. 

 Amy's hydraulic machine. A. P. 1745. H. 



82. Mach. A. VII. Q77. 

 Thillay's fire engine. A. P. 1746. H. 120. 

 Bonnet's fire engine. A. P. 1749. H. 182. 

 Euler on Demours's mode of raising water bj 



centrifugal force. A. Berl. 1751. 305. 

 Euler on pumps. A. Berl. 1752. 149, 185. 

 Euler on the screw of Archimedes. N. C. 



Petr. V. a59. 

 Preigney's oil candle, with a pump. Mach. 



A. VII. 395. 

 Jacquet's piston for sucking pumps. A. P. 



1752. H. 148. 

 B61idor Arch. Hydr. Chain pumps. Li. 360. 



Chain piston pumps and square pumps. PL 



n. 58. Bucket wheel. PI. n. 39. Chained 



buckets. PI. n. 39, 40. Water shovel. PI. 



n. 41. Troughs with a valve. Pi. n. 41. 



Quadrant pump. PI. n. 41. Hand buck- 

 ets. PI. n.42. Zigzag or swinging troughs. 

 PI. n. 43. Swinging bucket wheel. PI. n. 

 44. System of spiral pipes. PI. n. 44. 

 Pumps. II. i. 53. Pistons. 114. Ma- 

 chines appplied to pumps. 132. Fuc en- 



