 | Olinthus Gregory - 1815 - 632 páginas
...labour and expense. These stampers are raised in succession by levers, the ends of which are depressed by the pins of wheels turned by an axis communicating with the water-wheel. A dieawing of this steam-boat is given by Dr. Young in the 1st vol. of his Natural Philosophy. Steam-boats... | |
 | Abraham Rees - 1819 - 754 páginas
...canal« : thefe were to be raifed in fucceflion by means of levers, the ends of which were depreíléd by the pins of wheels, turned by an axis communicating with the water-wheel. Mr. Symington dated, in a calculation he made, that a boat doing the work of twelve horfes, could be... | |
 | Walley Chamberlain Oulton - 1820 - 176 páginas
...canals ; these were to be raised in succession by means of levers, the ends of which were depressed by the pins of wheels turned by an axis communicating with the water-wheel. Mr. Symington stated, in a calculation he made, that a boat doing the work of twelve horses could be... | |
 | 1802 - 688 páginas
...the ice on canals. Thefe are raifed in fucceffion by means of levers, the ends of which are dcprefled by the pins of wheels turned by an axis communicating...and by experiment it is known that it will travel at the rate of two miles and a halt' per hour. In Dr. YOUNG'S Summary of the moft ufeful Parts of Hydiaulics,... | |
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Thefe are raifed in fucceffion by means of levers, the ends of which are dcprefled by the pins of wheels turned by an axis communicating with the water-wheel. 