Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página 10
... be distinctly inventions of the twentieth century . Similarly the steam - engine has not really been placed upon the ordinary road , although efforts have been made for more than a century 10 TWENTIETH CENTURY INVENTIONS .
... be distinctly inventions of the twentieth century . Similarly the steam - engine has not really been placed upon the ordinary road , although efforts have been made for more than a century 10 TWENTIETH CENTURY INVENTIONS .
Página 32
... ordinary wind - wheel . Moreover , in the case of a number of such wheels set on a long axis , one behind the other as described , the space within which the shelter of the front sail is operative to keep the wind from driving the next ...
... ordinary wind - wheel . Moreover , in the case of a number of such wheels set on a long axis , one behind the other as described , the space within which the shelter of the front sail is operative to keep the wind from driving the next ...
Página 57
... ordinary rural windmill for pumping water , it will prove much more handy and effective than the system at present in vogue of keeping large tanks on hand for the purpose of ensuring a supply of water during periods of calm weather . Re ...
... ordinary rural windmill for pumping water , it will prove much more handy and effective than the system at present in vogue of keeping large tanks on hand for the purpose of ensuring a supply of water during periods of calm weather . Re ...
Página 58
... ordinary force or suction pump . The cup must be weighted with adjust- able weights so that it will not rise until quite full of air . When that point is reached the stroke is completed , the air having driven upwards a quantity of ...
... ordinary force or suction pump . The cup must be weighted with adjust- able weights so that it will not rise until quite full of air . When that point is reached the stroke is completed , the air having driven upwards a quantity of ...
Página 79
... ordinary circular tank and the size may be greatly diminished by using mercury instead of water . The sphere is com- plete , excepting for a small aperture at the top for the admission of the steel shaft of the steam - driven turbine ...
... ordinary circular tank and the size may be greatly diminished by using mercury instead of water . The sphere is com- plete , excepting for a small aperture at the top for the admission of the steel shaft of the steam - driven turbine ...
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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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