An Encyclopedia of the History of Technology part 43 potx

... road books 461 road transport 438 roads 431 –2 treadwheel 262 warfare 970–71 water- raising devices 231 water supply 20 writing 667 Rome 20 Pantheon 879 water supply 20 roofing 883–5 roofing materials ... Diversarum Artium (Theophilus) 196 Schelde-Rhine Canal 492 Schneider Trophy 630 schooners 524, 526 Schuylkill and Susquehanna Canal 511 science, distinct from technology 2–4 Scotch turbi...

Ngày tải lên: 04/07/2014, 01:20

... 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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... 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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... 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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... 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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... 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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... 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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... 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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... 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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... found its way into many of the later Roman bronzes, which by the middle of the second century AD tended to contain comparable quantities of zinc and tin. The characteristics of these alloys, which ... truly Roman in origin, the improved standards of living associated with the rapid dissemination of the Roman way of life stimulated metallurgical demand, and encourag...

Ngày tải lên: 04/07/2014, 01:20