Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 268
alternating? Voltage? (If alternating, note phase andnumber of alternations.) 8. Also record any unusual or peculiar circumstances con-nected with the installation or operation of the apparatus; andif so, what ? Electric Pumps. 2G9 DOMESTIC ELECTRIC PUMPS. In many places the pressure on the mains… … Fig. 238. proper water supply may be due to inconvenient location withreference to water mains. The autoviatic electric house tankpumpingplayit has been designed and perfected to meet theseconditions; the electric plant is connected to some power orlighting circuit and provided with an automatic…
Hydraulic machinery · Pumping machinery
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