Electric Light, Its Production and Use |
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Page vii
... electric light . The author's intention was originally to speak only of electric light as obtained from voltaic or galvanic batteries . But the rapid development of other and more generally applicable methods has induced him to extend ...
... electric light . The author's intention was originally to speak only of electric light as obtained from voltaic or galvanic batteries . But the rapid development of other and more generally applicable methods has induced him to extend ...
Page viii
John W. Urquhart. producing electric light . Practically considered , the art of electric lighting is of such recent date that the whole subject is as yet only partially developed and understood . On account of this , and in view of the ...
John W. Urquhart. producing electric light . Practically considered , the art of electric lighting is of such recent date that the whole subject is as yet only partially developed and understood . On account of this , and in view of the ...
Page 1
John W. Urquhart. ELECTRIC LIGHT . CHAPTER I. INTRODUCTION . IF conductors leading from the two poles of a powerful source of electricity are made to termi- nate in points which are brought into contact , a light will be produced when ...
John W. Urquhart. ELECTRIC LIGHT . CHAPTER I. INTRODUCTION . IF conductors leading from the two poles of a powerful source of electricity are made to termi- nate in points which are brought into contact , a light will be produced when ...
Page 2
... light can also be obtained by passing powerful currents through metals of low conducting power , such as platinum , or through thin pieces of carbon . In all cases it will be found that a great resistance to the current ... ELECTRIC LIGHT .
... light can also be obtained by passing powerful currents through metals of low conducting power , such as platinum , or through thin pieces of carbon . In all cases it will be found that a great resistance to the current ... ELECTRIC LIGHT .
Page 4
... light varies with the substances between which the discharge passes . Gold leaf gives white tinged with blue ; silver , a beautiful emerald green ; copper , bluish white ... electricity from voltaic batteries was first 4 ELECTRIC LIGHT .
... light varies with the substances between which the discharge passes . Gold leaf gives white tinged with blue ; silver , a beautiful emerald green ; copper , bluish white ... electricity from voltaic batteries was first 4 ELECTRIC LIGHT .
Common terms and phrases
action alternating currents apparatus Architect armature arrangement axis bichromate binding-screw bobbins brass brushes Bunsen cells burn carbon carbon rod Carcel circuit clamp cloth boards commutator connected construction copper slips copper wire cores diameter direction disc drum dynamo-electric machine Edition electric light electro-magnets electro-motive force employed engine exciting experiments external resistance fixed give Gramme machine Gramme's Grove cell Grove's heat HENRY LAW horse-power hour illumination inches induced insulated inventor iron lamp length liquid magneto-electric machine mechanical metal minute motion negative nitric acid numerous Illustrations obtained pair pass permanent magnets placed platinum poles porous cell porous pot Practical principle produced revised revolutions per minute revolve ring rotation Rudimentary Treatise screw shaft shown side Siemens soldered spindle springs standard candles steel stout surface tion Trinity Board voltaic arc wheel Wilde's wire coils Woodcuts wound zinc cylinder
Popular passages
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