...they found a hole in the piston which let the cold water in, to condense the steam in the in. side of the cylinder ; whereas before they had always done it on the outside. This fortunate observation gave rise to the fine improvement of condensing by injection, which hence-forward...

...valves, clacks, and buckets ; whereas they had but an imperfect notion of them before. " One thing was very remarkable : — as they at first were working,...before they had always done it on the outside."* This fortunate observation gave rise to the fine improvement of condensing by injection, which henceforward...

...cistern by a cock and piper. On the first trials of this engine, the inventors were surprised to see it " go several strokes, and very quick together; when,...before they had always done it on the outside." This fortunate discovery led to the mode of condensing the steftm by an injection of cold waste inside of...

...outside of the cylinder. Desaguliers says, the idea of injection was the result of accident — " as they •were working they were surprised to see the engine...before they had always done it on the outside." This being observed, the injection cock was soon added to the machine. A further improvement is the addition...

...buckets ; whereas they had but an imperfect notion of them before. One thing is very remarkable. At first working, they were surprised to see the engine go...whereas, before, they had always done it on the outside. They used before to work with a buoy in the cylinder inclosed in a pipe, which buoy rose when the steam...

...engine, the managers were surprised to see it, without its regular supply of condensing water, ' ' go several strokes, and very quick together ; when,...whereas before they had always done it on the outside." The external cylinder was, accordingly, abandoned, and water was henceforth injected from below, as...

...this engine, the managers were surprised to see it, without its regular supply of condensing water, " go several strokes, and very quick together; when,...whereas before they had always done it on the outside." The external cylinder was, accordingly, aban336. Watts double-acting engine.—In considering the applicability...

...mrprised to see the engine go several strokes, and very quick together, when, after a search, they fouud a hole in the piston, which let the cold water in...whereas before they had always done it on the outside. They used before to work with a buoy to the cylinder, enclosed in a pipe, which buoy rose when the...

...water thereby coming into direct contact with the steam to be condensed — a much more efficacious method, and which is still employed. The discovery...of heat to raise its temperature — see paragraph 148), and, therefore, rapidly withdraws much heat from the vapour. 240. The vacuum in this engine is...

...clacks, and buckets, whereas they had but an imperfect notion of them before. One thing is тегу remarkable : as they at first were working, they were...whereas before they had always done it on the outside. They used before to work with a buoy to the cylinder, enclosed in a pipe, which buoy rose when the...