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[Illustration demonstrating that the efficiency of a power cycle depen...
Illus. in: Reflections on the motive power of heat and on machines fitted to develop that power. New York : J. Wiley & sons, 1890. Published in: The tradition of technology : Landmarks of Western technology ..... More
"Father of modern airconditioning" honored. Washington, D.C. Oct. 8. A...
Two men standing next to a bust of a man. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description