Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 662
is based on the fact that waterwhen heated becomes of greater volume and less density, and rises; coming incontact with cooler surfaces, it loses its heat and descends; the water circulatesby the addition and reduction of heat. The possibility of a rapid and thoroughcirculation gives efficiency to… … 646 ARCHITECTURAL CONSTRUCTION. Fig. 1540 exhibits the application of hot water to the heating of a building.The boiler shown will serve as an illustration of the water circulation; it is of cast-iron, of which there are numerousforms in this material, as well as wrought-iron. The main rises…
Mechanical drawing
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