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14-12-2009, 03:57
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مهندس مجتهد
 تاريخ التسجيل: 12 2009
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كتاب Development and Technology of Iron Sailing Ships
 Development and technology of iron sailing Ships  CHAPTER 1 INTRODUCTION Technological changes in late 19th-century iron ships had a direct effect on the longevity of the sailing barque in the shipping industry. With the introduction of the steam-powered vessel as a more economical and efficient transporter, sailing ships, like the iron-hulled barques, were delegated to a specific role in the industry. During the last years of the Age of Sail, iron barques remained a cost-efficient means of delivery. Shipping companies could use smaller crews to work the square-rigs, and the maintenance was relatively inexpensive (Jackson and Williams 1996:1-30). Countries that did not readily adopt steamship technology acquired older iron barques, because of the demand for bulk carriers at low costs (Burns 1999; Gardiner 1993; Souza 1998). iron barque construction enabled these sailing ships to withstand the wear of decades of travel, and maintain a steady employment despite the rapid incorporation of steamships in shipping company fleets. The archaeological and historical study of the British-built, Norwegian-owned barque Glamis is presented in this thesis as a detailed example of an aging, iron barque acting in this role  download Development and Technology of Iron Sailing Ships المصدر: منتدى المهندس كوم كلية الهندسة |
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18-03-2010, 03:32
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مهندس جديد
تاريخ التسجيل: 03 2009
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رد: كتاب Development and Technology of Iron Sailing Ships
المصدر ....
ملتقى المهندسين Development and Technology of Iron Sailing Ships - ملتقى المهندسين العرب - أول ملتقى هندسي عربي |
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| development, iron, sailing, ships, technology, كتاب |
| الذين يشاهدون محتوى الموضوع الآن : 1 ( الأعضاء 0 والزوار 1) | |
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