Salvage Cover 3 : Series: Pressure position in a dual-impeller centrifugal pump in which the first impeller's discharge is fed into the eye of the second impeller which then discharges the water from the pump
Pacific Northwest Chapter of The Society for the Preservation and Appreciation of Antique Motorized Fire Apparatus in America SPAAMFAA, Fire Apparatus Terminology, La Center, Washington, USA 2002. (Fr Srvc - Amer) {455}