A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 369
es of lead, directing how to moveus from place to place, as occasion requiied.At other times, when the water was troubled andthick, it would be as dark as night below; butin such cases I have been able to keep a candleburning in the bell as long as I pleased, notwith-standing the great expense of… … f^ ,1.^ imii^^m 5 ^ *? iS^ 1 •^ ! DIVING BELL. 34y stream, by small flexible pipes; whicli pipesmay serve as a clue to direct him back a^ainwhen he would return to the bell. Plate, Div-ing Bells, fig. 1, shows Dr. Ilalleys divingbell. D B L RM represents the body of the bell;D, the glass which…
Encyclopedias and dictionaries · Aeronautics
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