Electric Lighting and Its Practical Application: With Results from Existing ExamplesHardwicke & Bogue, 1879 - 108 pages |
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Page 19
... expense must be greater in each case than if the same number of lights were supplied from a single machine . The Wilde Machine . - This must not be confounded with the machine first referred to under this name in the preceding chapter ...
... expense must be greater in each case than if the same number of lights were supplied from a single machine . The Wilde Machine . - This must not be confounded with the machine first referred to under this name in the preceding chapter ...
Page 50
... expense attending its production ; since that of the carbons , or combustible electrodes , may be diminished most considerably by the substitution of some indestructible substance . But a mechanical motor must always be provided , as ...
... expense attending its production ; since that of the carbons , or combustible electrodes , may be diminished most considerably by the substitution of some indestructible substance . But a mechanical motor must always be provided , as ...
Page 59
... expenses . A careful examination of the arrange- ment which will , in each particular case in question , afford the maximum of effective light , is therefore of primary importance . The measurement of the amount of the light given off ...
... expenses . A careful examination of the arrange- ment which will , in each particular case in question , afford the maximum of effective light , is therefore of primary importance . The measurement of the amount of the light given off ...
Page 74
... expense of this form of lighting under the conditions of actual practice . The examples which naturally suggest themselves for selection are those which , from the length of time they have been in operation , and by the care and ...
... expense of this form of lighting under the conditions of actual practice . The examples which naturally suggest themselves for selection are those which , from the length of time they have been in operation , and by the care and ...
Page 77
... expenses , under similar conditions to the South Foreland , came to about 5007. for a mean intensity of 4375 candles . The results at the Lizard point , therefore , to a more abundant light produced at a cheaper rate absolutely than ...
... expenses , under similar conditions to the South Foreland , came to about 5007. for a mean intensity of 4375 candles . The results at the Lizard point , therefore , to a more abundant light produced at a cheaper rate absolutely than ...
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Common terms and phrases
Allard alternate current application of electric armature arrangement augmented Avenue de l'Opéra average BRITISH carbon points carbon rod carbon-holder circuit Coloured Plates combustion considerable cost Crown 8vo Demy 8vo direction disc Douglass Edition electric current electric illumination electric light electric machine electro-magnet electrodes engine power expenses experiments Fcap France Railway gas jets globe Gramme machine Holmes horizontal horse-power nominal illuminating power incandescent inches induction coil J. E. TAYLOR Jablochkoff candles light per hour light produced lighthouse London Lontin luminous intensity luminous point magneto-electric magnets means Meritens motor power NATURAL HISTORY Northern of France number of lights output Paris photometer placed vertically portion practice R. A. PROCTOR Rapieff reduced price regulator result revolutions per minute Serrin lamp shed Siemens Siemens machine single single-light Gramme single-light machines South Foreland standard candles station steam super-royal 8vo supplied Thames Embankment tion Trinity House Vols voltaic arc wire Woodcuts yards
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