| Nicholas Wood - Railroad engineering - 1838 - 830 pages
...before, and weighed 176 Ibs. N oz. It had consequently lust, in twenty-one months, a weight of 1 8^ oz. The number of gross tons that had passed on the rail, during that time, was estimated at fiOO,OOO. Thus we see that with so considerable a tonnage, and with the velocity of the motion on that... | |
| Nicholas Wood - Railroads - 1838 - 854 pages
...before, and weighed 176 Ibs. 8oz. It had consequently lost, in twenty-one months, a weight of I'-A <>/. The number of gross tons that had passed on the rail, during that time, was estimated at GOO,OOO. Thus we see that with so considerable a tonnage, and with the velocity of the motion on that... | |
| François Marie Guyonneau de Pambour - Locomotives - 1840 - 650 pages
...I76ffis. 8 oz. It had consequently lost in 21 months a weight of 18£ oz. The number of tons gross that had passed on the rail during that time was estimated...that railway, the annual loss of the rail was only ^-j- of its primitive weight. So that it would require more than a hundred years to reduce it to the... | |
| comte François Marie Guyonneau de Pambour - 1840 - 692 pages
...weighed I76ft>s. 8 oz. It had consequently lost in 21 months a weight of 18i oz. The number of tons gross that had passed on the rail during that time was estimated...that railway, the annual loss of the rail was only ^-5- of its primitive weight. So that it would require more than a hundred years to reduce it to the... | |
| Railroad engineering - 1844 - 424 pages
...cleaned as before, weighed '76 Ibs. 8 oz. It had consequently lost ,n 31 months a weight of 18 1 -2 oz. The number of gross tons that had passed on the rail during that t,n* was estimated at 000,000." 25 ion rth in weight, on the supposition that this part of the rail... | |
| Meteorology - 1843 - 884 pages
...before, and weighed 176 Ibs. 8 oz. It had consequently lost, in twenty-one months, a weight of ISj oz. The number of gross tons that had passed on the...that railway, the annual loss of the rail was only -jj-j. of its primitive weight; so that it would require more than a hundred years to reduce it to... | |
| Franklin Institute (Philadelphia, Pa.) - Electronic journals - 1849 - 444 pages
...before, and weighed 176 Ibs. 8 oz. It had consequently lost, in twenty-one months, a weight of ISi oz. The number of gross tons that had passed on the...that railway, the annual loss of the rail was only ¥|~j. of its primitive weight ; so that it would require more than a hundred years to reduce it to... | |
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