Parsons, William Barclay, 1859-1932 · New York, Columbia University Press · leaf 104
than useful;it is a mode of sending up a note and bringing down an answerwhile the Vessel is under water, Figure the first A is a cockwith the cavity B in which there is a small reel; C the handleof which runs to D. . . . E is a piece of Cork, the note is tobe written on a piece of parchment, tied… … w H > H H THE DRAWINGS AND DESCRIPTIONS 67 is fixed to the cork the man below wind it down into the cockwhich being turned towards the inside of the Vessel the answermay be taken out. Figure the second is an end View. Figure the Third shews a man operating & the cork mounting, this may be…
Fulton, Robert, 1765-1815 · Submarines (Ships)
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