h at the center. At the far end of this of the birds. machines were at work inthe Durham and Newcastle coal The pigeons collect nightly on a tract of ground covered districts, where their performances proved so satisfactory as chamber is a double-flued boiler 27 feet long and 7 feet diam- with… … and pump cylinders. In until about 9 o’clock, THE CAMERON SPECIAL STEAM PUMP. when the place is de- the contract it was stip- ulated that the engine should raise 120 gallons per minute 1,040 feet high in a single lift, and this it more than accom- plishes with apparently as much ease as if its load…
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