Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página viii
... force , know that nothing is more common than to find two or more inventors making entirely independent progress in the same direction . For example , while this book was in course of preparation the author wrote out an account of an ...
... force , know that nothing is more common than to find two or more inventors making entirely independent progress in the same direction . For example , while this book was in course of preparation the author wrote out an account of an ...
Página xi
... force itself more and more upon the attention of inventors . Every specification will require to be drawn up with the very greatest care in observing the truth taught by the fable of the boy and the jar of nuts . So rapidly does the ...
... force itself more and more upon the attention of inventors . Every specification will require to be drawn up with the very greatest care in observing the truth taught by the fable of the boy and the jar of nuts . So rapidly does the ...
Página 4
... commence- ments of mighty forces which were to revolu- tionise the industrial world , and through it also the social and political . If in those days Cornwall was ever referred to , it was not by 4 TWENTIETH CENTURY INVENTIONS .
... commence- ments of mighty forces which were to revolu- tionise the industrial world , and through it also the social and political . If in those days Cornwall was ever referred to , it was not by 4 TWENTIETH CENTURY INVENTIONS .
Página 5
... forces , the discoveries in which were , in the year 1801 , still in the incipient stage . Canon Hughes , for instance , in his continua- tion of the histories of Hume and Smollett , devoted some forty pages to the record of that year ...
... forces , the discoveries in which were , in the year 1801 , still in the incipient stage . Canon Hughes , for instance , in his continua- tion of the histories of Hume and Smollett , devoted some forty pages to the record of that year ...
Página 6
... forces which are likely to grow to importance in the making of future history . When we ask what are the inventions and discoveries which are really destined to grow from seeds of the nineteenth into trees of the twentieth century , we ...
... forces which are likely to grow to importance in the making of future history . When we ask what are the inventions and discoveries which are really destined to grow from seeds of the nineteenth into trees of the twentieth century , we ...
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adopted already alternate current apparatus appliances application B.Sc BOTANY buoy cable calcium carbide carrying cheap CHEMISTRY collectivism College Coloured compressed air constructed convenient course Crown 8vo D.Sc Diagrams direction driving dynamo economical effect electric current electric lighting ELEMENTARY energy engine fact force future heat Hospital Illustrations improvement industrial INORGANIC CHEMISTRY invention inventor JOHN TYNDALL kind latter Lecturer LL.D lodes Lond machine machinery MAGNETISM Manual means mechanical ment metal methods miner mining motion motor natural naval nineteenth century numerous operation PHYSIOLOGY piano pipe Plates practically principle Professor progress pumping purposes R. A. PROCTOR rail railway render road Royal 8vo running sail Science screw shaft ship side speed station steam steam-engine steel storage battery STRENGTH OF MATERIALS suitable tank telegraphy TEXT-BOOK tion traction traction engines truck turbine twentieth century utilised ventilation vessel wave-power waves wheel wind windmill wire Woodcuts
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