Hydraulics.

LECTURE V.

Of the Equilibrium andWioTio'R <f¥Lv->ids in general. Of the Rise of Fluidsin Reservoirs and Pipes of Conduit.Of the Running of Rivers. Of theOrigin ^Fountains and Springs. OfPerennial, Intermitting and Reaciprocating Springs. The Nature of/^RecurvedSyphon and Tantalus-Cup. The Theory of Jet d’eau’s theirAdjutages, -Pipes, &c. Theoremsof the Velocities, Momenta, Dis-tances, '&c. of Spouting Fluids.Various Calculations relating to theMotion of Fluids through Pipes applied tothe Animal Oeconomy, Cataracts,&c. Of the Properties and Use of theCrane or Syphon. The whole Theoryof Pump-Work at large. The Natureof the Common Pump explained. TheStruSlure of a New Pump without Fric-tion. The Nature and Use of a Mercu-rial-Pump, working with Quic k si l v e-rinstead of a Piston, explain’d \ Archi-Vql. II. ’ B medes’s