"A powerful centrifugal pump lifts some water, but you can't pump out the Atlantic!"

Immediately double pumps were rigged, and the steady clinking of brakes added to the noises and terror of the scene.

Now and again we would hail with a great cry a friendly pump; once we came upon a cider-mill, but it was not working, and time and again we knocked and asked in vain for buttermilk.

I find, however, that even when both ends of the pump are acting equally and there is no leakage of air at all, the vacuum maintained by a double acting horizontal pump with india rubber valves, is not so good as that maintained by a single acting pump of the kind usual in old engines.

She smiled at the sight of a decrepit long-handled wooden pump.

The tide had covered the wreck, but the big rotary pump was running and, since the men had loosened the top of the cargo, it lifted the slimy stuff.

Others have an independent pump.

A torrent of water began to rush from the pond as if forced out by a hydraulic pump.

Direct acting steam pumps.

We need first a central pump from which branch off large pipes, which divide into smaller and smaller branches until they reach the remotest tissues.

Do not imagine that a cross head pump means something to be dreaded.

There are two differential plunger pumps, having upper plungers 20 inches in diameter, and lower plungers 33 inches in diameter, with a stroke of 5 feet.

Q.How is the proper level of the water in the boiler of a steam vessel maintained when, the engine is stopped for some time, and the boiler is blowing off steam? A.By means of a separate pump worked sometimes by hand, but usually by a small separate engine called the Donkey engine.

Her shoes were patent leather pumps, utterly unsuitable for a trip to the country.

He works it as a pump-handle, and complains that 'the pump's dry;' upon which Young Wealthy empties a bottle of orange-flower water into his face.

The flying men put down a hose, threw the switch of the electric pump, and in a few minutes half emptied the fountain.

Now for the next two hours the strident cries of the exasperated pump, and the screaming gabble of many tongues, all refreshed by slumber and eager for exercise, made such a diabolic tumult and discord as to throw even the braying of the donkeys into the minor key.

The action is somewhat similar to the old-fashioned rotary pump, consisting of two cog wheels in gear with, each other, the spaces at the side of the case being filled with water, which at the centre are occupied by the teeth in gear.

" About this time Finley Morse and his brother Edwards had jointly devised and patented a new "flexible piston-pump," from which they hoped great things.

Each engine has two "feed pumps" for supplying the boiler, and also a connection between the main forcing pumps and the boiler, so that it can be supplied from that source if desirable.

" "It was one of Gilbert's thirsty days, and we stopped at nearly every convenient pump to give him drinks of water, and at noon we came to the loveliest wayside

Two of the engines are of the inverted compound beam and fly-wheel type; and the third is a geared pump, which has a horizontal double acting plunger, 36 inches in diameter, by six foot stroke, driven from the crank of a spur-wheel shaft.

Suddenly, on the right bank, was heard a distant hubbub, then a dull noise as if giant pumps were working in the dark.

"But the man may be badly hurt," and away went Josephine, high-heeled pumps making her flight a trifle dangerous, over the slippery turf.

These were centrifugal pumps, capable of discharging 2,000 gallons a minute each.