Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página vi
... 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 undertaking the necessarily difficult task of ...
... 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 undertaking the necessarily difficult task of ...
Página 17
... become the most famous . They have borne much of the heat and burden of the day , while their successors have reaped the fruits of triumph . Mr. Herbert Spencer's strong protest against the part assigned by some writers in the mental ...
... become the most famous . They have borne much of the heat and burden of the day , while their successors have reaped the fruits of triumph . Mr. Herbert Spencer's strong protest against the part assigned by some writers in the mental ...
Página 18
... during the first part of the twentieth century depends upon the future work of those inven- tors and industrial promoters whose names have become most famous during the latter half of the 18 TWENTIETH CENTURY INVENTIONS .
... during the first part of the twentieth century depends upon the future work of those inven- tors and industrial promoters whose names have become most famous during the latter half of the 18 TWENTIETH CENTURY INVENTIONS .
Página 19
George Sutherland. have become most famous during the latter half of the nineteenth . But this personal treat- ment of the subject will be found to be in the last degree unsatisfactory , when judged in the light both of past experience ...
George Sutherland. have become most famous during the latter half of the nineteenth . But this personal treat- ment of the subject will be found to be in the last degree unsatisfactory , when judged in the light both of past experience ...
Página 35
... becomes a square or hexagonal upright axis of fairly large section , to each side of which is secured a board or a rigid sheet - metal sail projecting beyond the corners . The side of the axis and the project- ing portion of the sail ...
... becomes a square or hexagonal upright axis of fairly large section , to each side of which is secured a board or a rigid sheet - metal sail projecting beyond the corners . The side of the axis and the project- ing portion of the sail ...
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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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