 | Olinthus Gregory - 1806 - 590 pagina’s
...windlafs Or roller, they cart more eafily draw up 70 Ibs. than one maji can 30 Ibs.; provided the elbow of one of the handles be at right angles to that of the other. Men ufed to bear loads, fuch as porters, will carry from 150 Ibs. to 200 or 250 Ibs.. according to... | |
 | William Nicholson - 1809 - 722 pagina’s
...roller, they can mor* easily draw up seventy pounds, than one man can thirty pounds, provided the elbow of one of the handles be at right angles to that of...a fly, or heavy wheel, applied to it, a man may do onethird part more work; and for a little while he can act with a force, or overcome a continual resistance,... | |
 | William Duane - 1810 - 774 pagina’s
...at a windlass or roller, they can more easily draw up 7olb. than one man 30!!). provided the elbow of one of the handles be at right angles to that of...the other : and with a fly or heavy wheel applied toit, aman may do i-ßd part more work ; and for a little while ,:ct with a force, or overcome a continual... | |
 | William Nicholson - 1821 - 384 pagina’s
...roller, they can more ea>ily draw up seventy pounds, than one man can thirty pounds, provided the elbow of one of the handles be at right angles to that of the other. And with :i fly, or heavy wheel, applied to it, a man may do one third part more work ; and for a little while... | |
 | William Nicholson - 1821 - 382 pagina’s
...roller, they can more easily draw up seventy pounds, than one man can thirty pounds, provided the elbow of one of the handles be at right angles to that of...a fly, or heavy wheel, applied to it, a man may do one third part more work ; and for a little while he can act with a force, or overcome a continual... | |
 | James Mitchell - 1823 - 666 pagina’s
...roller, they can more easily draw up seventy pounds than one man an thirty pounds, provided the Ibow of one of the handles be at right angles to that of...a fly, or heavy wheel, applied to it, a man may do onethird more work ; and for a little while he can act with a force, or overcome a continual resistance,... | |
 | William Emerson - 1825 - 506 pagina’s
...windlass, or roller, they can more easily draw up 70 Ib. than one man can 30 Ib. provided the elbow of one of the handles be at right angles to that of...with a fly or heavy wheel applied to it, a man may do one-third part more work, and, for a little while, act with a force, or overcome a continual resistance... | |
 | 1828 - 888 pagina’s
...windlass, or roller, they can more easily draw up 70 Ibs. than one man can SO Ibs.; provided the elbow of one of the handles be at right angles to that of the other. Men used to bear loads, such as porters, will carry from 150 Ibs. to 200 or 250 Ibs., according to... | |
 | Thomas Curtis - 1829 - 820 pagina’s
...windlass or roller they can more easily raise up 70 Ibs. than one man can 30 Ibs., provided the elbow of one of the handles be at right angles to that of the other. Men accustomed to bear loads, such as porters, will carry from 150 Ibs. to 200 Ibs. or 250 Ibs., according... | |
 | 1834 - 434 pagina’s
...windlass, or roller, .hey can more easily draw up 70 Ibs. than one man can 30 Ibs., provided the elbow of one of the handles be at right angles to that of the other. And, with a rly or heavy wheel applied to it, a man may do one-third part more work, and, for a little while, act... | |
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... provided the elbow of one of the handles be at right angles to that of the other. And with a fly, or heavy wheel, applied to it, a man may do... 
