Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 275
. 276 Piimps and Hydraulics. Fig. 244 exhibits an electric induction motor operating a51^x8 portable track pump. Portability is an important feature in all pumps for mineuse; and, as track pumps may be put into service immediatelyat any point on a system of tracks, they meet this requirementbetter… … Fio. 244. The pump and motor shown in Fig. 244 are mounted on aniron truck, no wood whatever being used in construction, sothat adjustment cannot be affected by moisture and an easyrunning and durable pump is assured. The pumps are madeas compact and strong as possible for mine service, which…
Hydraulic machinery · Pumping machinery
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