Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 823
c, by reason of its extreme dryness. When the temperature of the air cannot be diminished without depositing water upon the walls ofthe oontaiuing vessel, or appearing as a mist, it is said to be saturated. If the temperature of saturatedair be raised, it will, to the feelings, become drier, and… … Walkers patent improved hot-air furnace, manufactured at No. 89£ Leonard-street, New York, is represented in Figs. 3728 and 3729. The objects aimed at by the patentee in the construction of his hot-air furnace are— 1st. By means of one fire to produce a mild, uniform, and agreeable temperature…
Mechanical engineering
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