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air-binding amount of heat arranged automatically bituminous coal black oil boiler bottom box-coils building BUILDING RECORD cast-iron check-valve circulation coal-tar cock coils cold connected cooled cubic feet cubic foot cylinder diagram direct radiation dome exhaust steam expansion-joint Fahrenheit feet of air Figure filled fittings flange floor flues give heat units heater heating-apparatus heating-pipes heating-surface high-pressure hole hot water hot-water apparatus Hot-Water Heating Illustrated inches in diameter iron leaks length live steam low-pressure method mineral oil moisture ordinary pass patented pipe placed plates pound of coal pounds of snow pounds of steam prevent pump quantity ratus risers rivets Sanitary Engineer seams shown sketch square feet square foot square inch steam-fitter steam-heating apparatus steam-main stop-valve stove Street sufficient supply surface tank temperature thread tion trap valve vapor ventilation walls water of condensation water-line York City
Page 49 - Divide the difference in temperature, between that at which the room is to be kept and the coldest outside atmosphere, by the difference, between the temperature of the steam pipes, and that at which you wish to keep the room, and the product will be the square feet, or fraction thereof, of plate or pipe surface to each square foot of glass, or its equivalent in icaU surface.
Page 131 - ... closed, or it may be a long split in the pipe. If the former, and very close to the pump, the mercury will not respond; but should it be far away with considerable length of pipe to cause resistance, the mercury will jump and return as suddenly. But should there be a split pipe or an aggregation of small leaks, the mercury will run back steadily, though slower than it rises, between the strokes of the pump. Should it rise well in the glass and sink at the rate of about one inch in five seconds,...