The Paradise Fish

1883 Scientific American  
cold ail' at the rate of about 5,000 cubic feet per hour, at a temperature 50° below zero, when working at a speed of 140 to 160 revolutions pel' minute, which is capable of being continuously maintained, provided the water supply and lubrication are attended trr .
doi:10.1038/scientificamerican04141883-231a fatcat:sxhthc3fsjasbhtchz5mjla7vq