. 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. 184. THE STEVENSVALVE GEAR. Showingthe double toe and wipers wdththe eccentric rod used on the Hudson Riversteamers. First used in standard type for marine walk-ing-beam 185. VALVE GEAR. A wrist plate joumaled on a pin carriedby a standa
. 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. 184. THE STEVENSVALVE GEAR. Showingthe double toe and wipers wdththe eccentric rod used on the Hudson Riversteamers. First used in standard type for marine walk-ing-beam 185. VALVE GEAR. A wrist plate joumaled on a pin carriedby a standard or post on the engine frame. The wrist plate is rotated by the eccentric, the motionbeing communicated to the sev-eral valves by suitable rodswhich are connected to twohorizontal links pivoted to thewrist plate ; these links beingheld outward in their properposition by two vertical linksthe inner ends of which are piv-oted to the slotted bar near thewrist-plate hub. The rod from the governor passes through a guidecarried by the post and is connected to the slotted bar by means ofa sliding block working in a concentric slot as shown, which permitsthe bar to oscillate with the wrist plate without interfering with thegovernor rod. It will be seen that when the slotted bar operated bythe governor occupies the position shown, the valves have full travel,but when this bar is drawn toward the governor the ends of the hori-zontal links to which the valve rods are attached will be drawn towardthe hub of the wrist plate by th
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
