Maritime History ppsx

An Encyclopedia of the History of Technology part 11 ppsx

An Encyclopedia of the History of Technology part 11 ppsx

... royalties, of the order of five shillings on each ton of the ore exported. By the 1680s it had become very evident that the privileges granted to the Mines Royal Company and to the Society of Mineral and ... Charter of Incorporation were led by the Brass Battery, Wire and Copper Company of Bristol as it was then known. The others were John Freeman and Copper Compan...

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An Encyclopedia of the History of Technology part 14 ppsx

An Encyclopedia of the History of Technology part 14 ppsx

... explored. Most of the plants which attempted to operate the carbo-thermic process used variants of the approach patented by Hansgirg in Austria in the 1930s. This involved the reaction of magnesite ... tons per annum. In 1940 another unit of 5000 tons per annum was added, and a further plant, capable of producing 10,000 tons per annum of magnesium commenced production at...

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An Encyclopedia of the History of Technology part 24 ppsx

An Encyclopedia of the History of Technology part 24 ppsx

... to an acute shortage of alkali and in 1775 the Academy of Sciences offered a prize of 240 0 livres for a successful method of making soda from salt. Nicolas Leblanc, physician to the Duc d’Orléans ... living matter, whether plant or animal. Their preparation and uses in the textile, glass and soap industries have already been mentioned. Another important group of substances...

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An Encyclopedia of the History of Technology part 36 ppsx

An Encyclopedia of the History of Technology part 36 ppsx

... the experience provided by the development of the steam turbine between 1884 and 1935, and the demands of the aircraft industry for engines of increasing power and efficiency. The fluid mechanical ... change in the course of the working cycle of the engine. Second, the nomenclature is applicable to the steam engine, because the combustion in the furnace of...

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An Encyclopedia of the History of Technology part 51 ppsx

An Encyclopedia of the History of Technology part 51 ppsx

... entered the sea to the west of Leiden. The third, the southern branch, is the modern outlet via Rotterdam and the Hook of Holland. The Romans wished to connect the middle and southern outlets in ... between the Massif Central to the north and the foothills of the Pyrenees to the south suggested the site for a waterway link between the Mediterranean and the...

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An Encyclopedia of the History of Technology part 52 ppsx

An Encyclopedia of the History of Technology part 52 ppsx

... the Netherlands and Luxembourg were united under William I of the Netherlands. He recognized the importance of water transport and one proposal of significance was to link the Meuse and the Moselle ... transport from the coal measures being exploited in the valley. The nobility of Kleve, part of the domains of the Elector of Brandendurg, persuaded the Ele...

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An Encyclopedia of the History of Technology part 54 ppsx

An Encyclopedia of the History of Technology part 54 ppsx

... which the canal boats were carried to the summit of the ridge at yoom (2300ft) and then the line descended by five more planes to Johnstown on the western side of the range. The cradles on the planes ... under the water below the INLAND WATERWAYS 513 great deal of cotton until by the 1850s the railways were taking over. There are still remains of some of thes...

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An Encyclopedia of the History of Technology part 70 ppsx

An Encyclopedia of the History of Technology part 70 ppsx

... rest of the process, then as now, consisted of getting rid of the rest of the water. The mould wires gave rise to the characteristic wire and chain marks of hand-made paper, although Whatman introduced ... hand was born the news-book and then the news-sheet. At first spasmodic the earliest English example provided an account of the Battle of Flodden in 1513—th...

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An Encyclopedia of the History of Technology part 89 ppsx

An Encyclopedia of the History of Technology part 89 ppsx

... city walls of Babylon. The Chinese used them in the third century BC to construct parts of the Great Wall. The Romans (as did the Etruscans before them) made extensive use of brick in all forms of construction. ... England there were two fundamental types: the box-frame and the post and truss. The first of these was built with horizontal and vertical timbers crossing...

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An Encyclopedia of the History of Technology part 95 ppsx

An Encyclopedia of the History of Technology part 95 ppsx

... by many other designs developed by different companies, notably the Magic of 1915, the British Vacuum Cleaner Company’s version of 1921, and the Bustler of 1931. Electrolux then pioneered the ... into the electric light sockets. There were several models of the second type, many of them American. Nearly all worked by means of one person powering a bellows by hand or fo...

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A History of English Literature - Robert Huntington Fletcher ppsx

A History of English Literature - Robert Huntington Fletcher ppsx

... which stood all the year above the altar, bearing the Savior's figure, was taken down and laid beneath the altar, a dramatic symbol of the Death and Burial; and two days later, on 'the ... thekybk@yahoo.com ceased to be Anglo-Saxon and became, altogether politically, and partly in race, Norman- French, a change more radical and far-reaching than any which it has since underg...

Ngày tải lên: 04/07/2014, 09:20

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Chapter 20: History ppsx

Chapter 20: History ppsx

... rate p.a. is, at less than 1%, extremely low. (For more about lithium systems, see Chapter 16, Sec. 16.2.2.12, and Chapter 18.) Since the beginning of primary cells it was tried again and again to ... as expensive Copyright â 2003 by Expert Verlag. All Rights Reserved. 20 History H. A. KIEHNE 20.1 EARLY BEGINNINGS In Chapter 4 of the first English edition of the book Portable Batterie...

Ngày tải lên: 05/07/2014, 07:20

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U.S. HISTORY ppsx

U.S. HISTORY ppsx

... 3: THE ROAD TO INDEPENDENCE U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY U.S. HISTORY O U T L I N E O F O ... . . . . . . . . . . . . . . . . . .341 C O N T E N T S U.S. HISTORY U.S. HISTORY O U T L I N E O F O U T L I N E O F 84 OUTLINE OF U.S. HISTORY...

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Báo cáo y học: "Prevalence of Dysglycemia Among Coronary Artery Bypass Surgery Patients with No Previous Diabetic History" ppsx

Báo cáo y học: "Prevalence of Dysglycemia Among Coronary Artery Bypass Surgery Patients with No Previous Diabetic History" ppsx

... McGinn et al.: Prevalence of Dysglycemia Among Coronary Artery Bypass Surgery Patients with No Previous Diabetic History. Journal of Cardiothoracic Surgery 2011 6:104. Submit your next manuscript ... very common association of dysglycemia with coronary artery disease, since whe n including the previously and newly diagnosed patients, a total of 80% of...

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Maritime History ppsx

Maritime History ppsx

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