history of android technology
Tài liệu YOUR GUIDE TO THE SCIENCE, HISTORY, ART AND TECHNOLOGY OF PAPERMAKING pdf
Ngày tải lên :
22/02/2014, 09:20
... a
ruler. Both of these measuring tools can be applied to samples of different kinds
of paper.
Instructions for Students:
1. To find the caliper of paper, measure the thickness of a stack of the paper ... tracing the history
of paper from pre-historic times to the present. A collection of important dates will
follow this section.
Another way to get students involved in the history of papermaking ... name, the Institute of Paper Science and Technology. The graduates
are still studying the cutting edge of technology and graduate to eventually become the
top management of the paper industry....
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how we got there a slightly irreverent history of technology and markets - andy kessler
Ngày tải lên :
05/06/2014, 11:29
... for
the prize of offering the most potent Hairy Buffalo punch. At the end of the
night, the mine companies were drained of cash and the miners drained of
brain cells.
So instead of selling steam ... motion
to all sort of mill works, by the important force of fire, which will be of
great use for draining mines, serving towns with water, and for the
working of all sorts of mills, when they ... reengineering of life based
on the ability to lower the costs of daily staples. This price drop would repeat
itself through history as a sign of maximum change, increased standards of
living,...
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An Encyclopedia of the History of Technology part 108 pptx
Ngày tải lên :
04/07/2014, 01:20
... 879 water supply 20
roofing 883–5
roofing materials 857 aluminium 111 glass/iron
(ferro-vitreous) 895–6 iron 95, 894 Monel
metal 101 zinc 93, 96
‘ro-ro’ (roll on, roll off) vessels 550
Rothamsted ... 954
water turbines 241, 242–5
watermills 19, 20 glossary of terms 269–70
Greek (Norse) 19, 229–30, 270 Smeaton’s
designs 236–7
waterproof clothing 849, 853
waterwheels 269–70 horizontal 19, 230; ... 679
zip fasteners 852
zoetrope 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...
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An Encyclopedia of the History of Technology part 1 potx
Ngày tải lên :
04/07/2014, 01:20
... Encyclopaedia of the history of technology
1. Technology History
I. McNeil, Ian
609 T15
ISBN 0-415-01306-2 (Print Edition)
Library of Congress Cataloging in Publication Data
An Encyclopaedia of the history ... and hydrofoils 538
Lifeboats and lifesaving 539
CONTENTS
Preface xiv
Introduction: Basic Tools, Devices and Mechanisms 1
Ian McNeil
The place of technology in history 1
Science and technology ... Data
An Encyclopaedia of the history of technology/ edited by Ian McNeil.
p. cm.
Bibliography: p.
Includes index.
ISBN 0-415-01306-2 (Print Edition)
1. Technology History. I. McNeil, Ian.
T15.E53...
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An Encyclopedia of the History of Technology part 2 doc
Ngày tải lên :
04/07/2014, 01:20
... 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, economic
history, ... largely dependent
on the state of their technology and that of their enemy. Their motivation was
more often than not economic, and economic history and the history of
technology can surely be considered ... constitutional history, economic
history, naval and military history, social history all are well represented and
adequately stressed. The history of technology is neglected in comparison yet,
in a sense,...
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An Encyclopedia of the History of Technology part 3 docx
Ngày tải lên :
04/07/2014, 01:20
... pre -history
primarily as a history of technology was Professor V.Gordon Childe who
studied, rather than the rise and fall of civilizations, the rise and fall of
technologies—the technologies of ... citizen of an English-speaking country being in a
state of total ignorance of William the Conqueror, of Henry VIII and his six wives,
of Napoleon and the Duke of Wellington, of Lord Nelson, of Abraham ... 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? One could argue that it is a discipline
with...
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An Encyclopedia of the History of Technology part 4 pps
Ngày tải lên :
04/07/2014, 01:20
... number of aqueducts were built to supply
water to their cities. The construction of river bridges often involved the
building of coffer dams of timber piles, sealed with clay, and in the building of
these ... more of when and where gear wheels originated than we do of
the invention of the wheel. Aristotle (c. 384 BC) recorded seeing a train of
friction wheels set in motion, that is a series of contiguous ... in technology, the addition of an
axle to a sledge on to which a wheel could be fixed, thus to form a primitive
cart or wagon. Both of these concepts were, of course, preceded by the use of a
round...
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An Encyclopedia of the History of Technology part 5 docx
Ngày tải lên :
04/07/2014, 01:20
... processes of cutting punches of brass or copper and later of iron,
each of a single letter; the stamping of the punches into copper plate to form the
moulds into which the molten type metal of tin, ... Pisa
marked the start of the use of the pendulum as a means of controlling the speed
of clocks. Having no watch, he timed the swing of the lamp against his own
pulse and established the time of the pendulum’s ... example of a
closed loop system. It consists of a pair of weights, generally in the form of
balls, pivoted on arms so that they are free to rise by centrifugal force as they
revolve. As the speed of...
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An Encyclopedia of the History of Technology part 6 docx
Ngày tải lên :
04/07/2014, 01:20
... celebrate the
Diamond Jubilee of Queen Victoria. The tiny yacht that could attain a speed of
64kph (34.5 knots) amazed all who saw her, as she darted in and out of the lines
of ponderous warships. The ... the theme of producing a vacuum by the condensation of
steam. In 1659 the Marquis of Worcester described experiments with boiling
water in a gun barrel, the steam forcing the water out of one or ... extended
the use of the steam engine from pumping to a multitude of purposes and
brought additional prosperity to the partnership of Matthew Boulton and
James Watt.
Throughout his life and that of his...
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An Encyclopedia of the History of Technology part 7 pdf
Ngày tải lên :
04/07/2014, 01:20
... Faber,
London, 1963)
Derry, T.K. and Williams, T.I. A short history of technology (Oxford University Press,
Oxford and New York, 1960)
Dunsheath, P. A history of electrical engineering (Faber & Faber, ... malleability of
copper, which allowed it, unlike wood and stone, to be hammered into
a variety of useful shapes.
The sharp distinction between the brightness, lustre and ductility of
the interior of a ... on a global basis is best summed
up by the following quotation from Professor Edward Fredkin of Massachusetts
Institute of Technology:
Humans are okay. I’m glad to be one. I like them in general,...
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An Encyclopedia of the History of Technology part 8 ppt
Ngày tải lên :
04/07/2014, 01:20
... of copper, and
because of the presence of large quantities of unwanted earthy material, they
do not respond to simple smelting processes.
The sulphide copper ores exploited at the beginning of ... exposed surface of such an
outcrop is therefore slowly robbed of most of its heavy metals with the
exception of iron which concentrates at the surface as iron oxide, generally in
the form of limonite. ... the Copper Age of artefacts
containing substantial quantities of arsenic is therefore a further indication of
the fact that much copper of this period came from these thin zones of
secondary enrichment.
...
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An Encyclopedia of the History of Technology part 9 doc
Ngày tải lên :
04/07/2014, 01:20
... emergence of the full Bronze Age, in the middle of the second
millennium BC, is characterized by the almost universal employment of this
type of alloy. However, after about 1600 BC the majority of the ... of lead added to improve the castability of the
alloy. The melting point of a binary 20 per cent tin bronze is approximately
880°C: a similar quantity of lead only reduces the melting point of ... material. The four horses of San Marco in
PART ONE: MATERIALS
66
will use for the blocks copper from Marion, the alloy being made of twelve parts,
eleven of copper to one of tin. He will deliver...
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An Encyclopedia of the History of Technology part 10 pps
Ngày tải lên :
04/07/2014, 01:20
... the poem
‘Shield of Herakles’ dating from the seventh century BC: ‘So he spoke, and
placed about his legs the greaves of shining oreichalkos, the glorious gift of
Hephaistos.’ One of the later Homeric ... of destination per descendum,
which is obviously of great antiquity. Irrefutable evidence that metallic zinc
was known and used in the ancient world is also available in the form of a
sheet of ... which are the reward of victory’, and although the British
output of gold was disappointingly low, substantial quantities of silver were
soon obtained by the cupellation of lead. The Romans were...
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An Encyclopedia of the History of Technology part 11 ppsx
Ngày tải lên :
04/07/2014, 01:20
... English markets at prices well below that of the domestic product.
When the Society of Mineral and Battery Works became aware of the extent
and profitability of this illicit commerce they did not ... the centre of copper
and brass production in 1763. In the autumn of that year, Charles Roe of the
Macclesfield Copper Company first sensed the possibilities of the copper ore
deposits of Parys ... group
of merchants headed by Sir Richard Martyn bought the rights to mine
calamine and make brass for the sum of £50 per annum. The factory they set
up at Isleworth, west of London, made brass of...
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