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Journal of electricity, power, and gas . ranged with their inlets facing in opposite directions, pas-sageways adapted to conduct the fluid from one impeller tothe other, and means mounted at the
![Journal of electricity. spaced shafts and rotatable in opposite directions, one ar-ranged to act as a valve for the other. Disposed concentrical-ly with respect to each rotor are stationary semi-cylindricaloutlet chambers, Journal of electricity. spaced shafts and rotatable in opposite directions, one ar-ranged to act as a valve for the other. Disposed concentrical-ly with respect to each rotor are stationary semi-cylindricaloutlet chambers,](https://c8.alamy.com/comp/2CEJHPA/journal-of-electricity-spaced-shafts-and-rotatable-in-opposite-directions-one-ar-ranged-to-act-as-a-valve-for-the-other-disposed-concentrical-ly-with-respect-to-each-rotor-are-stationary-semi-cylindricaloutlet-chambers-with-the-walls-of-which-the-rotors-form-run-ning-contacts-the-liquid-enters-the-housing-from-below-oneof-the-pump-chambers-being-always-open-and-is-forced-fromthe-pump-chambers-by-the-rotors-attachment-for-electric-switchespatent-no-1257473-issued-to-maxwell-c-frank-of-pied-mont-cal-shows-an-attachment-for-electric-switches-whichhas-fundamentally-the-same-objec-2CEJHPA.jpg)
Journal of electricity. spaced shafts and rotatable in opposite directions, one ar-ranged to act as a valve for the other. Disposed concentrical-ly with respect to each rotor are stationary semi-cylindricaloutlet chambers,
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Journal of electricity. tact member is a fusible element which lies within the shelland which is electrically connected with the other contactmember. Rotary Pump or CompressorPatent No. 1,257,744, issued to Robert
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