” says a corrrespond- for performing continually the work that Whitehurst’s ma- ent of the Zribune, from which journal we take the illustra chine had done when controlled by hand. The Montgolfier tive diagram, ‘‘ the depths ranged from 300 to 2,270 fathoms. ram, as at first constructed, is shown in… … distance in the delivery pipe, distant from this one, were in F. When the force is expend- 2,460 fathoms (14,760 feet) of ed, the valve, B, again opens, water, which gave a slope of 326 feet to a mile, the greatest It will be observed where the work will be completed.” that, when the valve, B,…
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