Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 91
•2jii. … Another species of blowing-machine is the water-bellows. The nature of these machines will bereadily understood by the help of the following diagram. The side figure is a vertical section of themachine, a is the fulcrum of the lever or beam, withtwo inverted vessels, b and c, suspended from its…
Mechanical engineering
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