An Encyclopedia of the History of Technology part 1 potx

... 583 tramways 16 1, 456, 555–8 transfer machines 417 transfer printing (pottery) 19 4 transformers 3 71 transistor radios 728 transistors 42, 419 , 703 transmission cables 3 71 2 transplanting 773 transporter ... concrete crucible 15 9–60, 397 nickel 98 plastic- coated 18 0– 81 pre-painted 18 1 production 15 9–60, 16 7–85; by basic oxygen (L.D.) process 17 7, 17 9; by Bessemer proc...

Ngày tải lên: 04/07/2014, 01:20

... history of technology 1. Technology History I. McNeil, Ian 609 T15 ISBN 0- 415 - 013 06-2 (Print Edition) Library of Congress Cataloging in Publication Data An Encyclopaedia of the history of technology/ edited ... iron: 15 00 17 00 14 9 Mineral fuels 15 3 Steam power and early industrialization 15 4 Steel 15 9 The industrial iron age: 18 00 18 50 16 0 The s...

Ngày tải lên: 04/07/2014, 01:20

... 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...

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

... date. These again were Egyptian and represent the first known application of a natural source of power other than animal power, the wind. The use of wind power to drive the rotating sails of a ... 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 Domesd...

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

... 265 ,18 2 in 19 14 and to 650 ,14 8 by 19 20. In 19 38, 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 ... 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 news by t...

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 15 24, 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

... the fourth millennium BC and were found in the 19 30s at the site of Tepe Giyan, near Nahavand in Western Iran. This mountainous region, situated midway between the Persian Gulf and the Caspian ... 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,...

Ngày tải lên: 04/07/2014, 01:20

... Athenian Empire. Other famous silver mines were those in the Pangaean region of Macedonia, and the Cycladic island of Siphnos. Mining at Siphnos began some time between 315 0 and 2790 BC. The silver ... 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...

Ngày tải lên: 04/07/2014, 01:20