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 1D. Van Nostrand Company, 1906 |
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Сторінка
... obtained , and finally converted into light in the lamps . The attention of the reader is particularly called to this arrangement , which is given in full in the Table of Contents . This order not only facilitates the under- standing ...
... obtained , and finally converted into light in the lamps . The attention of the reader is particularly called to this arrangement , which is given in full in the Table of Contents . This order not only facilitates the under- standing ...
Сторінка 4
... . If a lamp is in contact with or enclosed in cloth , wood or other combustible material , the heat may accumulate sufficiently to char or set fire to the latter . 8. Incandescent lamps can be obtained of any power , 4 ELECTRIC LIGHTING .
... . If a lamp is in contact with or enclosed in cloth , wood or other combustible material , the heat may accumulate sufficiently to char or set fire to the latter . 8. Incandescent lamps can be obtained of any power , 4 ELECTRIC LIGHTING .
Сторінка 5
... obtained of any power , from a small fraction of one candle - power up to several hundred , and one can be substituted for the other in a few seconds , which is not practicable with any other means of illumination . It should be ...
... obtained of any power , from a small fraction of one candle - power up to several hundred , and one can be substituted for the other in a few seconds , which is not practicable with any other means of illumination . It should be ...
Сторінка 7
... obtained . The standard incandescent lamp ( carbon filament ) , giving 16 candle - power , consumes about 50 watts , and the ordinary charge for current to supply it is about three - quarters of a cent per hour . This applies to small ...
... obtained . The standard incandescent lamp ( carbon filament ) , giving 16 candle - power , consumes about 50 watts , and the ordinary charge for current to supply it is about three - quarters of a cent per hour . This applies to small ...
Сторінка 8
... obtained by man were electric sparks produced intentionally or accidentally by frictional elec- tricity . The effects obtained , however , in these very early experi- ments were so feeble that they are hardly worth considering ; and it ...
... obtained by man were electric sparks produced intentionally or accidentally by frictional elec- tricity . The effects obtained , however , in these very early experi- ments were so feeble that they are hardly worth considering ; and it ...
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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 |
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alternating current amount ampere-hours ampere-turns amperes apparatus arc lamps armature core arrangement belt boiler booster brushes carbon cause cell cent centimeters centrifugal force charge circuit cloth coal coils commutator condensation conductors connected consists construction copper cut-off cylinder diameter direct direct current direct-current discharge dynamo effect efficiency Elec electric lighting electric-lighting electrolyte employed fact feet field-magnet flux density fly-wheel force fuel gas-engine governor heat hence incandescent lamps inch inductors insulation iron latter lines load machine machinery magnetic magnetic circuit mechanical mercurous sulphate motors multipolar obtained operated ordinary pipe piston plant plates pole-pieces poles practically pressure produced pulley represented in Fig resistance revolutions per minute ring shaft short-circuited shown in Fig shunt speed square steam steam-engine storage battery stroke sulphate supply surface switch temperature tion tubes turbine usually valve voltage voltmeter volts water-tube boilers weight wheel winding wire zinc sulphate
Популярні уривки
Сторінка 22 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Сторінка 483 - Illustrated. 8vo, cloth. $2.00. Elements of Electric Lighting, including Electric Generation, Measurement, Storage, and Distribution. Tenth Edition, fully revised and new matter added. Illustrated. 8vo, cloth. $1.50. Power Transmitted by Electricity and Applied by the Electric Motor, including Electric Railway Construction.
Сторінка 23 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere...
Сторінка 483 - ABBOTT, AV The Electrical Transmission of Energy. A Manual for the Design of Electrical Circuits.