of the station harmonize with the beautiful sur- valve. Directly below the condenser, which is seen in roundings, one of the pleasure grounds of the city. into the feed water heater. the cut, is placed the air pump, which, with a 12 inch The three pump plungers are each of four foot The great pump… … •VT -i-^^iS^-i l/EKDCAL SECTION THROUGH INTERMEDIATE CYLINDER. ^?VS."i°i^i'-^gtiygV^^ HIGH SERVICE PUMP, BOSTON WATER WORKS-SECTIONAL VIEW, 137, 24'375 and 39 in. in diameter ; the pistons have six is established below the floor of the engine room. By an arm from one of the rocker shafts operating…
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