 | William Emerson - 1758 - 410 pàgines
...a windlefs, or roller, they can more eafily draw up 7oIb. than one man can 3oIb. provided the eIbow of one of the handles, be at right angles to that...a fly, or heavy wheel applied to it ; a man may do | part more work ; and for a little while act with a force, or overcome a continual refiftance of 80... | |
 | Charles James - 1805 - 1236 pàgines
...30lb. provided the elbow of one of the handles, be at right tingles to that of the other : and witii a fly or heavy wheel applied to it, a man may do l-3d part more work ; and for a little while act with a force, or overcome a continual resistance of... | |
 | Olinthus Gregory - 1806 - 590 pàgines
...men work at a 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 pàgines
...a windlass, or 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...do onethird part more work; and for a little while he can act with a force, or overcome a continual resistance, of eighty pounds ; and work a whole day... | |
 | William Duane - 1810 - 774 pàgines
...more. If two men work 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...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 pàgines
...a windlass, or 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... | |
 | John Mason Good - 1819 - 742 pàgines
...thirty pounds, provided the elbow of one of the tundles lie at right angles to that of the oilier. ¿ai with a fly, or heavy wheel, applied to it, a man may do one-third part more work ; and f'ra little while he can act with a force, or cercóme a continual resistance, of eighty puunils ;... | |
 | William Nicholson - 1821 - 382 pàgines
...a windlass, or 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...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 pàgines
...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...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, of... | |
 | 1828 - 888 pàgines
...two men work at a 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... | |
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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... 
