An Encyclopedia of the History of Technology part 36 ppsx
An Encyclopedia of the History of Technology part 108 pptx
... 739 zoopraxiscope 740 Zuid-Willemsvaart Canal 493–4 INDEX OF TOPICS 1060 turbofan engines 336, 338, 638 turbojet airliners 637 turbojet engines 330, 336 turboprop engines 334, 336, 636 7 turboshaft engines 643 Turkey, ... 282 poppet 282 slide 282, 344–5, 404 thermionic 41, 727, see also diode; triode Wankel rotating disc 328 Van Harinxma Canal 492 Van Starkenborgh Canal 492 Vanguard rocket...
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An Encyclopedia of the History of Technology part 1 potx
... Devices and Mechanisms 1 Ian McNeil The place of technology in history 1 Science and technology 2 The archaeological ages 4 The seven technological ages of man 5 The first age: man, the hunter, ... fire 5 The second age: the farmer, the smith and the wheel 11 The third age: the first machine age 22 The fourth age: intimations of automation 27 The fifth ag...
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An Encyclopedia of the History of Technology part 2 doc
... how they fought their wars and which side won, was largely dependent on the state of their technology and that of their enemy. Their motivation was more often than not economic, and economic history ... history and the history of technology can surely be considered as twin hand-maidens, the one almost totally dependent on the other. So far as social history is concer...
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An Encyclopedia of the History of Technology part 3 docx
... practice, and this is the first step in the process of moving forward to a new solution. Thus the history of technology and the history of invention are very much the same. Why study the history of technology? ... who studied, rather than the rise and fall of civilizations, the rise and fall of technologies the technologies of hunting and weapon-making,...
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An Encyclopedia of the History of Technology part 4 pps
... one of the causes of the decline of the Roman Empire. The Dark Ages The last Roman troops left Britain in AD 436 and all contact between Britain and Rome had ended by 450. To a great extent the ... numbers of slaves, there was a demand for such mechanization as was available and the successors of the Romans continued to build water mills. At the time of the Do...
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An Encyclopedia of the History of Technology part 5 docx
... for measuring the bores of cannon and the diameter of cannon balls. The crank An important development in the Middle Ages was that of mechanisms for the interconversion of rotary and reciprocating ... weight. All the gears were of brass. Galileo’s observations of the swinging altar lamp in the cathedral of Pisa marked the start of the use of the pendu...
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An Encyclopedia of the History of Technology part 6 docx
... in the materials used in buildings. They caused the decline of many towns and villages which were not served by the railway lines. They speeded up the mails and greatly accelerated the spread of ... spread of news by the rapid distribution of the daily papers. They popularized seaside and other holiday resorts and improved communications by their use of the telegraph...
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An Encyclopedia of the History of Technology part 7 pdf
... after the arrival of the Spanish invaders by the North American Indian: Giovanni Verazzano, who visited the Atlantic Coast in 1524, commented upon the vast quantities of copper owned by the Indians, ... ridiculous and to many others a threat to the dignity of themselves as members of the human race or worse, a threat to the very existence of humanity as the only...
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An Encyclopedia of the History of Technology part 8 ppt
... Tepe Giyan, in the Persian highlands, during the 4th millennium, and subsequently moved southwards to Sumeria and the Persian Gulf, and westwards to the Mediterranean seaboard, during the third ... the fourth millennium BC and were found in the 1930s at the site of Tepe Giyan, near Nahavand in Western Iran. This mountainous region, situated midway between the Persian Gulf...
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An Encyclopedia of the History of Technology part 9 doc
... the fourth-millennium sites of Anan and Hissar III in Iran and Naqada in Egypt. The earliest evidence of lead being used for aesthetic rather than practical purposes is provided by an Egyptian ... truly Roman in origin, the improved standards of living associated with the rapid dissemination of the Roman way of life stimulated metallurgical demand, and encouraged the r...
Ngày tải lên: 04/07/2014, 01:20