Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página vii
... method must therefore help to strengthen the impression of the importance of gradual growth , and of general tendencies , as being the prime factors in promoting social advancement through the success of invention . The same habit will ...
... method must therefore help to strengthen the impression of the importance of gradual growth , and of general tendencies , as being the prime factors in promoting social advancement through the success of invention . The same habit will ...
Página viii
... methods of ministering to it . Startling illustrations of this fact are con- tinually cropping up in the experiences of patent agents and others who are engaged in technological work and its literature . The average inventor is almost ...
... methods of ministering to it . Startling illustrations of this fact are con- tinually cropping up in the experiences of patent agents and others who are engaged in technological work and its literature . The average inventor is almost ...
Página ix
... method of applying the Hertzian waves to the purpose being practically the same as those sketched out by the author . This is only one of several instances of coincidences in independent work which have been noticed during the period ...
... method of applying the Hertzian waves to the purpose being practically the same as those sketched out by the author . This is only one of several instances of coincidences in independent work which have been noticed during the period ...
Página 19
... methods of life and of work . Whither is it all tending ? Will the twentieth century bring about as great a change upon the earth - man's habitat - as the nineteenth did ? Or have the possibilities of really great and effective ...
... methods of life and of work . Whither is it all tending ? Will the twentieth century bring about as great a change upon the earth - man's habitat - as the nineteenth did ? Or have the possibilities of really great and effective ...
Página 22
... but these two cannot yet be logically placed in opposition to one another . No method has yet been discovered whereby the heat of a furnace can be directly converted into an electric current . CHAPTER II NATURAL POWER 22.
... but these two cannot yet be logically placed in opposition to one another . No method has yet been discovered whereby the heat of a furnace can be directly converted into an electric current . CHAPTER II NATURAL POWER 22.
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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 kind latter Lecturer LL.D lodes Lond Lord Kelvin machine machinery magnetic marine propulsion means mechanical ment metal method miner mining motion motor natural naval nineteenth century nitrogen numerous operation PHYSIOLOGY piano pipe Plates practically principle Professor progress pumping purposes 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 wireless Woodcuts
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