Tidal Rivers: Their (1) Hydraulics, (2) Improvement, (3) NavigationLongmans, Green & Company, 1893 - 467 páginas |
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... TONNAGE FOR THE YEAR 1891 · PAGE 441 446 449 451 452 453 XII . TABLE SHOWING THE NUMBER OF VESSELS , AND THEIR AVERAGE TONNAGE 455 INDEX 457 REESE LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIST OF ILLUSTRATIONS vi CONTENTS .
... TONNAGE FOR THE YEAR 1891 · PAGE 441 446 449 451 452 453 XII . TABLE SHOWING THE NUMBER OF VESSELS , AND THEIR AVERAGE TONNAGE 455 INDEX 457 REESE LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIST OF ILLUSTRATIONS vi CONTENTS .
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... new canals raised it to a first - class port . Following on the opening of these canals , the tonnage of English ships increased threefold . As Liverpool and Manchester owe their rise to the Duke of 330 TIDAL RIVERS .
... new canals raised it to a first - class port . Following on the opening of these canals , the tonnage of English ships increased threefold . As Liverpool and Manchester owe their rise to the Duke of 330 TIDAL RIVERS .
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... tonnage passing through the canal being British ships . The amount of shipping which passed through the canal the first year after it was opened was 486 vessels , of a net tonnage of 436,609 ; and in 1890 , 3389 , of 6,890,000 net tons ...
... tonnage passing through the canal being British ships . The amount of shipping which passed through the canal the first year after it was opened was 486 vessels , of a net tonnage of 436,609 ; and in 1890 , 3389 , of 6,890,000 net tons ...
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... tonnage dredged and deposited by each machine was 12,330 tons . About one ton of coal was used in the removal of 404 tons of clay and sand . The ordinary number of engine- hours run a day was 214 , but the average for the 6 days , 193 ...
... tonnage dredged and deposited by each machine was 12,330 tons . About one ton of coal was used in the removal of 404 tons of clay and sand . The ordinary number of engine- hours run a day was 214 , but the average for the 6 days , 193 ...
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... tonnage for the year 1891. From this it will be seen that , although London has the largest tonnage of any port in the kingdom , the average tonnage of the vessels is only 256 tons , or a little more than half that of Cardiff , which ...
... tonnage for the year 1891. From this it will be seen that , although London has the largest tonnage of any port in the kingdom , the average tonnage of the vessels is only 256 tons , or a little more than half that of Cardiff , which ...
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15 feet 20 feet average banks barges bottom bucket buoys Canal carried channel clay Clyde coast constructed cost Crown 8vo cubic yards curves deepening deposit depth of water diameter direction discharge distance dredgers dredging effect Ellesmere Port engineer entrance estuary fathoms feet at low feet long feet wide float flow foot fresh water Glasgow groynes harbour height high water hopper hopper barges improvement increased jetties length light low water low-water material mattresses means Mersey miles an hour million cubic yards mouth navigation neap tides north channel obtained Ordnance datum outfall particles piers port Port Glasgow pumps quantity raised removed rise rock Rouen Runcorn sand scour ships shoals shore side sill spring tides square miles stone stream sufficient Sulina branch surface tidal current tidal river tidal water tonnage tons training walls Trinity House Tyne upper varying velocity vessels wave width