Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 272
he plungers are 3^ inches diameter and 5^^ inches stroke.The pump and motor are mounted upon a rigid box girderframe: this unit is self-contained and occupies a relativelysmall floor space. Electric Drive for Fire Puvips. The importance of instantlyoperating fire extinguishing apparatus can… … Pig. 242, the ideal agent. A notable installation of electric-driven pumpsfor fire service is in the Marshall Field store. Chicago, abuilding occupying an entire city block. The outfit consistsof a Laidlaw-Dunn-Goidon duplex Underwriter pump connectedby single reduction gearing to a ivaterproof…
Hydraulic machinery · Pumping machinery
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