Bridges and MenGrosset & Dunlap, 1966 - 343 páginas |
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Página 164
... 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 equaled ...
... 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 equaled ...
Página 202
... door from being closed . " In a couple of minutes they succeeded in closing the door . Other accidents marred the Brooklyn tower's history , but by May 1872 the masonry had been built up to seventy - five feet above the river and the ...
... door from being closed . " In a couple of minutes they succeeded in closing the door . Other accidents marred the Brooklyn tower's history , but by May 1872 the masonry had been built up to seventy - five feet above the river and the ...
Página 285
... door was barricaded . A bullet hit the stone wall next to him , and another GI , coming up behind him , shouted , " You're hit , Joe ! " DeLisio ran his hands quickly over his field jacket , and finding no blood pushed his way into the ...
... door was barricaded . A bullet hit the stone wall next to him , and another GI , coming up behind him , shouted , " You're hit , Joe ! " DeLisio ran his hands quickly over his field jacket , and finding no blood pushed his way into the ...
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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