Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página vi
... possible . The personal aspect of the cam- paign becomes merged in that which regards the army as an organic unit . It may , therefore , be claimed that , in some moderate degree , the author is fitted by training and opportunities for ...
... possible . The personal aspect of the cam- paign becomes merged in that which regards the army as an organic unit . It may , therefore , be claimed that , in some moderate degree , the author is fitted by training and opportunities for ...
Página viii
... possible 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 ...
... possible 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 ...
Página 1
... great markets ; which has made social and friendly intercourse possible in millions of homes which otherwise would have been almost destitute of 29 it ; which has been the means of spreading a 1 CHAPTER I INVENTIVE PROGRESS.
... great markets ; which has made social and friendly intercourse possible in millions of homes which otherwise would have been almost destitute of 29 it ; which has been the means of spreading a 1 CHAPTER I INVENTIVE PROGRESS.
Página 18
... possible error by any one attempting to read the riddle of the past , and it may offer a still more dangerous snare to one who tries to deduce the future course of events from the evidences of the past , and the promises which they hold ...
... possible error by any one attempting to read the riddle of the past , and it may offer a still more dangerous snare to one who tries to deduce the future course of events from the evidences of the past , and the promises which they hold ...
Página 31
... possible working hours of a swivel - windmill were really lost in the fixed machine . With the type adapted to the working of a dynamo as already described , it will , in most cases , be convenient to construct two spirals on uprights ...
... possible working hours of a swivel - windmill were really lost in the fixed machine . With the type adapted to the working of a dynamo as already described , it will , in most cases , be convenient to construct two spirals on uprights ...
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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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