Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página 23
... motor ; and by far the greater proportion of the electrical energy that is generated to - day owes its existence primarily to the steam- engine and to other forms of reciprocating machinery designed to utilise the expansive power of ...
... motor ; and by far the greater proportion of the electrical energy that is generated to - day owes its existence primarily to the steam- engine and to other forms of reciprocating machinery designed to utilise the expansive power of ...
Página 28
... motors that shall run lightly in a soft zephyr of only five or six miles an hour , and stability is the main ... motor . In its rudimentary shape this very elementary windmill resembles a four - bladed screw steam- ship propeller ...
... motors that shall run lightly in a soft zephyr of only five or six miles an hour , and stability is the main ... motor . In its rudimentary shape this very elementary windmill resembles a four - bladed screw steam- ship propeller ...
Página 29
... motor , without the employment of too much reducing gear . the case of the wind - motor the eighteenth century miller was compelled to make the arms of his mill of gigantic length , so that , while the centre of the wind pressure on ...
... motor , without the employment of too much reducing gear . the case of the wind - motor the eighteenth century miller was compelled to make the arms of his mill of gigantic length , so that , while the centre of the wind pressure on ...
Página 30
... motor , which , if desired , keeps continually in motion , pumping , grinding , or driving any suitable class of machinery . It is rather surprising to find how relatively small is the advantage possessed by the vane- windmill over the ...
... motor , which , if desired , keeps continually in motion , pumping , grinding , or driving any suitable class of machinery . It is rather surprising to find how relatively small is the advantage possessed by the vane- windmill over the ...
Página 32
... motors , it is quite misleading , because not more than one - third or one - fourth of the energy of the wind is expended upon the oblique sails of an ordinary wind - wheel . Moreover , in the case of a number of such wheels set on a ...
... motors , it is quite misleading , because not more than one - third or one - fourth of the energy of the wind is expended upon the oblique sails of an ordinary wind - wheel . Moreover , in the case of a number of such wheels set on a ...
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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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