Parsons, William Barclay, 1859-1932 · New York, Columbia University Press · leaf 101
THE DRAWINGS AND DESCRIPTIONS 65 F The pipe to give air, G The pipe to discharge the Mephitic air, H.H Two air pipes to let the air out of the water chambers; they mount to the highest part of the Vessel to let the air in when the water is discharging; there should be at least four of these pipes;…
Fulton, Robert, 1765-1815 · Submarines (Ships)
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