Bridges and MenGrosset & Dunlap, 1966 - 343 páginas |
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Página 172
... nearly seven million dollars ( actually , a slight exaggera- tion ) , compared with Eads's original estimate of three million dol- lars exclusive of approaches . Construction was costing approximately double Eads's estimate of 1867 ...
... nearly seven million dollars ( actually , a slight exaggera- tion ) , compared with Eads's original estimate of three million dol- lars exclusive of approaches . Construction was costing approximately double Eads's estimate of 1867 ...
Página 274
... nearly out of steam . Andrews halted and undertook a last heroic expedient . To cover the escape of his men , he reversed the General's engines and ran her back , meaning to crash into the Texas . But the General barely crawled under ...
... nearly out of steam . Andrews halted and undertook a last heroic expedient . To cover the escape of his men , he reversed the General's engines and ran her back , meaning to crash into the Texas . But the General barely crawled under ...
Página 294
... Nearly all of these are very short , hardly more than street crossings . The Grand Canal , itself barely a hundred feet wide , has just three crossings , and until the middle of the last century had only the Rialto . In the Revolution ...
... Nearly all of these are very short , hardly more than street crossings . The Grand Canal , itself barely a hundred feet wide , has just three crossings , and until the middle of the last century had only the Rialto . In the Revolution ...
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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American appearance arch army became British Brooklyn building built cables caisson called cantilever carried century Civil completed connected construction cost covered cross deep Eads East engineer fall famous feet Figure finally fire five followed force foundations four French gave George girder hand head heavy Henry houses hundred important iron Island Italy James John known later length less loading London Louis March Michigan middle miles named nearly never once Paris passed piers piles Pont problem rail railroad Rennie river road roadway Robert Roebling Roman running shore side soon span stand steel Steinman Stephenson stone story stream structure suspension bridge Telford Thomas timber tion took tower town train truss tunnel turned United Washington whole wind wire York