Bridges and MenGrosset & Dunlap, 1966 - 343 páginas |
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Página 122
... closed at both ends , was gradually set afloat . Tugs pushed and pulled it into its designated position . Robert Stephenson mounted the top of the iron monster and gave hand signals to Captain Claxton , in charge of a corps of sailors ...
... closed at both ends , was gradually set afloat . Tugs pushed and pulled it into its designated position . Robert Stephenson mounted the top of the iron monster and gave hand signals to Captain Claxton , in charge of a corps of sailors ...
Página 164
... closed the door behind them , opened a valve , and let air into the lock . At this early stage the pressure needed to be raised only a few pounds above normal atmospheric ( 14.7 lbs . per square inch ) . When the pressure in the airlock ...
... closed the door behind them , opened a valve , and let air into the lock . At this early stage the pressure needed to be raised only a few pounds above normal atmospheric ( 14.7 lbs . per square inch ) . When the pressure in the airlock ...
Página 241
... closed to traffic ; the last venture- some motorist , a newspaperman , stopped his car a third of the way across , and climbed out amid terrifying deck motions . His dog , frightened , refused to leave the car , and the reporter ...
... closed to traffic ; the last venture- some motorist , a newspaperman , stopped his car a third of the way across , and climbed out amid terrifying deck motions . His dog , frightened , refused to leave the car , and the reporter ...
Índice
How Bridges Were Invented | 1 |
The Mighty Roman Arch | 7 |
The Engineer Vanishes from Europe but Appears in Asia | 19 |
Direitos de autor | |
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Palavras e frases frequentes
Abutment American Ammann anchorage army bedrock bridge engineering bridge-building bridge's British Brooklyn Bridge building built cables caisson canal cantilever Captain carried century Civil Engineers Colonel completed construction covered bridge cross deck DeLisio Eads's East famous feet ferry Figure fire Firth Firth of Tay foundations four French Galloping Gertie George Henry High Girders hundred inches Island James Eads John Rennie John Roebling later loading locomotive London Bridge long-span Louis Bridge main span masonry Menai Menai Strait miles Mississippi modern named Niagara Othmar H Paris Perronet piers piles Pont Pont-Neuf pontoons problem rail railroad bridge Remagen Rennie Rialto river road roadway Robert Stephenson Roebling's semicircular shore side steel Steinman stone arch stood Strait stream structure suspension bridge suspension span Telford Thomas Bouch timber tion took tower traffic train truss tube tunnel Washington Roebling Wheeling wind wire York