Electric Lighting: A Practical Exposition of the Art, for the Use of Engineers, Students, and Others Interested in the Installation Or Operation of Electrical Plants, Том 1Van Nostrand, 1896 |
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Сторінка 30
... would ordinarily be employed . The arc light is often objectionable because its great intensity and the glaring quality of its light are disagreeable , or even actually injurious , to the eye , unless it is 30 ELECTRIC LIGHTING .
... would ordinarily be employed . The arc light is often objectionable because its great intensity and the glaring quality of its light are disagreeable , or even actually injurious , to the eye , unless it is 30 ELECTRIC LIGHTING .
Сторінка 36
... objectionable : in fact , there would be two machines to take care of instead of one . Several plants installed by J. E. H. Gordon and others for incandescent lighting were operated by low - tension alternating currents . But those ...
... objectionable : in fact , there would be two machines to take care of instead of one . Several plants installed by J. E. H. Gordon and others for incandescent lighting were operated by low - tension alternating currents . But those ...
Сторінка 42
... objectionable . Low - tension systems , however , that is , incandescent lighting systems employing 100 to 250 volts , usually require the station to be placed somewhere near the center . Exceptions to this rule may be made for special ...
... objectionable . Low - tension systems , however , that is , incandescent lighting systems employing 100 to 250 volts , usually require the station to be placed somewhere near the center . Exceptions to this rule may be made for special ...
Сторінка 44
... objectionable . The water for condensing need not , necessarily , be very pure either mechanically or chemically , if surface condensers are employed ; in fact , salt water can be used , as in the case of marine engines . But even in ...
... objectionable . The water for condensing need not , necessarily , be very pure either mechanically or chemically , if surface condensers are employed ; in fact , salt water can be used , as in the case of marine engines . But even in ...
Сторінка 55
... objectionable . A careful investigation should , therefore , be made of the character of the ground by driving piles or iron tubes . ( ordinary gas - pipe ) , excavating , etc. , to ascertain exactly what the ground will support , and ...
... objectionable . A careful investigation should , therefore , be made of the character of the ground by driving piles or iron tubes . ( ordinary gas - pipe ) , excavating , etc. , to ascertain exactly what the ground will support , and ...
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Electric Lighting: A Practical Exposition of the Art, for the Use of ..., Том 2 Francis Bacon Crocker Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
accumulator action advantage alternating current ampere ampere turns ampere-hours apparatus arc lamps armature arrangement battery belt boiler brushes carbon cast iron cause cell cent central stations centrifugal centrifugal force charge circuit coal coils commutator condensation conductors connected considerable consists construction copper core cylinder diameter direct coupling direct current direct-current discharge dynamo effect efficiency Elec electric lighting electric-lighting plant Electrical Engineer employed fact feet field-magnet flux fly-wheel force gas-engine governor heat horse-power incandescent lamps increase inductors insulation iron isolated plants latter Lightning-Arrester load machine machinery magnetic mechanical mercurous sulphate motor objectionable obtained ordinary piston plates pole-pieces practically pressure produced pulley reduced resistance revolutions per minute shaft short circuit short-circuited shown in Fig speed square inch steam steam-engine stroke sufficient sulphate supply surface switch temperature tion tubes turbine usually valve voltage volts weight wheel winding wire zinc zinc sulphate
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