. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 176. RIDING CUT-OFFVALVE. From single eccen-tric. The main valve is movedby the direct connected valverod. The riding valve is movedby a short lever and links piv-oted to the two 177. TYPES OF SLIDEVALVES. Slide valve of theBayley engine. A flat valve ridingu

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. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 176. RIDING CUT-OFFVALVE. From single eccen-tric. The main valve is movedby the direct connected valverod. The riding valve is movedby a short lever and links piv-oted to the two 177. TYPES OF SLIDEVALVES. Slide valve of theBayley engine. A flat valve ridingunder a balanced pressure plate is held in place bystays against the steam chest. 178. PARSONS STEAM TURBINE. Steam is admitted at thegovernor valve and arrives at the chamber, A, at the small end of the

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