An Encyclopedia of the History of Technology part 2 doc

... Meaning categories expressed by verb forms 22 A. Tense 22 1.14 Introduction 22 1.15 The formation of the present tense 23 1.16 The formation of the past tense 23 1.17 The formation of the other ... tense in English, rather than a comparative study of other analyses or a comparison of our analysis with the analyses of other authors. Because of this, unless...

Ngày tải lên: 01/07/2014, 23:20

... 27 treadle 25 , 390 treadmills 26 2 oblique 26 2, 26 5, 26 9 prison 26 4 treadwheels 26 2, 26 3–4 oblique 26 2, 26 6, 26 8– 9 Treatise on Mills and Millwork (Fairbairn) 24 2 trebuchet 974–5 trenails 14 trench ... 1005 V -2 rocket bomb 649–51, 661, 1005 V-mail (microfilm) 734 vacuum 32 3, 27 3 vacuum cleaners 925 –7 valves drop 28 2 poppet 28 2 slide 28 2, 344–5, 404 thermio...

Ngày tải lên: 04/07/2014, 01:20

... farmer, the smith and the wheel 11 The third age: the first machine age 22 The fourth age: intimations of automation 27 The fifth age: the expansion of steam 31 The sixth age: the freedom of internal ... 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 ag...

Ngày tải lên: 04/07/2014, 01:20

... MECHANISMS IAN McNEIL THE PLACE OF TECHNOLOGY IN HISTORY It is strange that, in the study and teaching of history, so little attention is paid to the history of technology. Political and constitutional history, ... admirable fortitude. Ian McNeil Banstead, Surrey CONTENTS x Gliders 621 The Wright brothers 622 European pioneers 624 Military and commercial applications...

Ngày tải lên: 04/07/2014, 01:20

... 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,...

Ngày tải lên: 04/07/2014, 01:20

... ground On the other hand, the introduction of metallurgy, whether of bronze or iron, and its processes did become the start of a new way of living in which INTRODUCTION 20 Water supply was of the greatest ... 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...

Ngày tải lên: 04/07/2014, 01:20

... 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...

Ngày tải lên: 04/07/2014, 01:20

... grown to 26 5,1 82 in 1914 and to 650,148 by 1 920 . In 1938, 444,877 vehicles were produced in Britain and 2, 489,085 in the United States. There are some 22 million cars in Britain today. The rest of the ... showed that the weight of a column of air was less at the top of a 4000-foot ( 122 0m) mountain than at the bottom. In 1660, the Hon. Robert Boyle formulated...

Ngày tải lên: 04/07/2014, 01:20

... after the arrival of the Spanish invaders by the North American Indian: Giovanni Verazzano, who visited the Atlantic Coast in 1 524 , 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 onl...

Ngày tải lên: 04/07/2014, 01:20

... 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...

Ngày tải lên: 04/07/2014, 01:20