EXPLANATION OF THE PLATES. 



A, Base plate of engine and condenser. 



B, Steam cylinder. 



C, Column and hot well. 



D, Cut-off valve, and steam-pipe from 



boiler. 



E, Slide valve casing. 



F, Slide valve. 



G, Steam passages. 

 H, Metallic piston. 



I, Passage to condenser. 



K, Condenser. 



L, Air-pump. 



M, Foot valve. 



N, Air-pump bucket. 



0, Discharge valve. 



P, Waste water-pipe. 



Q, Injection pipe and regulating valve. 



R, Force pump. 



S, Solid plunger of force-pump. 



T, Beam. 



U, Piston rod. 



V, Air-pump rod. 



W, Force-pump rod. 



X, Connecting rod. 



Y, Crank shaft. 



Z, Toothed fly-wheel, forming first mo- 

 tion wheel. 

 a, Governor wheels. 

 6, Governor. 



c, Wheels for working cut-off valve gear 



ing. 



d, Eccentric rod for working slide valve. 



e, Socket for the starting handle. 



f, Vibrating shaft to work slide valve. 



g, Lever for counterbalance weight. 



h, Boot-leg for giving motion to the slide 



valve. 



i, Slide valve rod. 

 k, K, Counterbalance weight of slide 



valve. 

 I, Stud on small wheel for giving motion 



to the rod m. 



m, Eod for working cut-off valve. 

 n, Vibrating shaft for ditto. 

 o, Lever on shaft for working cut-off 



valve. 

 p, Rod with regulating screw, and levers 



for ditto. 



PLATES LX., LXL, LXIL, AND LXIII. 



TEN HORSE POWER ENGINE CONSTRUCTED BY W. FAIRBAIRN AND CO. 



Plate LX. 

 LXI. 



Fig. 1. Elevation of engine. 



2. Plan of ditto. 



3. Sectional plan. 



4. Cross sectional elevation. 



5. Sectional elevation. 



LXIL 



LXIII. 



A, Engine base. 



B, Column or pillar, to support the end 



of crank shaft. 



The letters refer to the same parts 

 in all the views. 



C, Crank shaft. 



D, Fly wheel. 



E, First motion spur wheel. 



3 D 



