Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página 17
... convenience , history labels certain great inventive movements , each with the name of one pre - eminent individual who has contributed largely to its success , nothing like a due appraisement of the services rendered by other men is ...
... convenience , history labels certain great inventive movements , each with the name of one pre - eminent individual who has contributed largely to its success , nothing like a due appraisement of the services rendered by other men is ...
Página 26
... windmill builders , the intermittent character of the power to which they had to trust com- pletely condemned it when placed in compe- tition with the handy and always convenient steam - engine 26 TWENTIETH CENTURY INVENTIONS .
... windmill builders , the intermittent character of the power to which they had to trust com- pletely condemned it when placed in compe- tition with the handy and always convenient steam - engine 26 TWENTIETH CENTURY INVENTIONS .
Página 27
George Sutherland. tition with the handy and always convenient steam - engine . The wind bloweth " where it listeth , " but only at such times and seasons as it listeth , and its vagaries do not suit an employer whose wages list is ...
George Sutherland. tition with the handy and always convenient steam - engine . The wind bloweth " where it listeth , " but only at such times and seasons as it listeth , and its vagaries do not suit an employer whose wages list is ...
Página 30
... convenient form , it is plain that a spiral of sheet - metal wound round the barrel will offer the most convenient type of structure for stability and cheapness combined . At the end of this long barrel will be fixed the dynamo , the ...
... convenient form , it is plain that a spiral of sheet - metal wound round the barrel will offer the most convenient type of structure for stability and cheapness combined . At the end of this long barrel will be fixed the dynamo , the ...
Página 31
... convenient to construct two spirals on uprights set in three holes in the ground , forming lines at right angles to each other , but both engaging , by suitable gearing , with the electric current generator situated at the angle . This ...
... convenient to construct two spirals on uprights set in three holes in the ground , forming lines at right angles to each other , but both engaging , by suitable gearing , with the electric current generator situated at the angle . This ...
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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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