"Revolutions per minute" Quotes from Famous Books
 ... for the manufacture is forced by the pump, a, into the reservoir, W, from whence it flows, through the pipes, r, into the different machines. All the apparatus are set in motion by two shaftings, q. The principal shaft makes two hundred revolutions per minute, but the velocity of that of the pumps is but fifty revolutions.—Polytech. Journ., ...
— Scientific American Supplement, No. 415, December 15, 1883 • Various |
