Twentieth century inventions, a forecastLongmans, Green, and Company, 1901 - 286 páginas |
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Página xi
... already well recognised by experts in what is known as industrial property , will doubtless force itself more and more upon the attention of inventors . Every specification will require to be drawn up with the very greatest care in ...
... already well recognised by experts in what is known as industrial property , will doubtless force itself more and more upon the attention of inventors . Every specification will require to be drawn up with the very greatest care in ...
Página xiii
... years have already been indicated , more or less clearly , by the inventive thought of the nineteenth century . GEORGE SUTHERLAND . December , 1900 . CONTENTS . INVENTIVE PROGRESS CHAPTER I. PAGE 1 CHAPTER II PREFACE . XIII.
... years have already been indicated , more or less clearly , by the inventive thought of the nineteenth century . GEORGE SUTHERLAND . December , 1900 . CONTENTS . INVENTIVE PROGRESS CHAPTER I. PAGE 1 CHAPTER II PREFACE . XIII.
Página 27
... already quoted , " the little thing wanted to let the thing be done is cheap windmills " . This , however , leads to another part of the problem . The costliness of the best modern patterns of windmill as now so extensively used ...
... already quoted , " the little thing wanted to let the thing be done is cheap windmills " . This , however , leads to another part of the problem . The costliness of the best modern patterns of windmill as now so extensively used ...
Página 31
... already described , it will , in most cases , be 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 ...
... already described , it will , in most cases , be 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 ...
Página 46
... already described , so that no matter at what stage in the revolution of the drum an upward or downward stroke may be stopped , the motion will still be communicated in a con- tinuous rotary form to the fly - wheel . But the beam and ...
... already described , so that no matter at what stage in the revolution of the drum an upward or downward stroke may be stopped , the motion will still be communicated in a con- tinuous rotary form to the fly - wheel . But the beam and ...
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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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