Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página v
... movement ; and , in the course of a practice such as that referred to , the habit of watching the signs of progress has been naturally acquired . Moreover , it has always been necessary tc take a comprehensive , rather than a minute ...
... movement ; and , in the course of a practice such as that referred to , the habit of watching the signs of progress has been naturally acquired . Moreover , it has always been necessary tc take a comprehensive , rather than a minute ...
Página 4
... movement in maritime transport which is fully comparable to that brought about on land by the invention of the railway locomotive . Again , in 1801 , Sir Humphry Davy gave his first lecture at the Royal Institution in London , where he ...
... movement in maritime transport which is fully comparable to that brought about on land by the invention of the railway locomotive . Again , in 1801 , Sir Humphry Davy gave his first lecture at the Royal Institution in London , where he ...
Página 8
... movements are permitted to germinate unseen . Forall practical purposes each invention must be referred to the age in which it actually does useful work in the service of mankind . Thus , Hero of Alexandria , in the third century B.C. ...
... movements are permitted to germinate unseen . Forall practical purposes each invention must be referred to the age in which it actually does useful work in the service of mankind . Thus , Hero of Alexandria , in the third century B.C. ...
Página 17
... 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 ever attempted . It is not even as if the commanding ...
... 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 ever attempted . It is not even as if the commanding ...
Página 18
... movement , assigning as our motive the diffi- culty of enumerating so many names ? For the encouragement of those to whom the ambition for fame acts as a great stimulus to self - devotion in the interests of human pro- gress , it is ...
... movement , assigning as our motive the diffi- culty of enumerating so many names ? For the encouragement of those to whom the ambition for fame acts as a great stimulus to self - devotion in the interests of human pro- gress , it is ...
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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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