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 8
... discharge . During the latter part of the seventeenth and early in the eighteenth century numerous experiments were made with dis- charges in air or rarefied gas . The record of these may be found in a book entitled Physico- Mechanical ...
... discharge . During the latter part of the seventeenth and early in the eighteenth century numerous experiments were made with dis- charges in air or rarefied gas . The record of these may be found in a book entitled Physico- Mechanical ...
Сторінка 9
... discharge took place through the heated air , in a space equal to at least four inches , producing a most brilliant ascending arch of light . " It should be noted that in the above experiment Davy made use of carbon electrodes , which ...
... discharge took place through the heated air , in a space equal to at least four inches , producing a most brilliant ascending arch of light . " It should be noted that in the above experiment Davy made use of carbon electrodes , which ...
Сторінка 44
... discharge itself by gravity , so much the better . If , however , it is not possible to place the plant where coal can be obtained directly from railway or boat , then it should be located so that the carting or other handling of the ...
... discharge itself by gravity , so much the better . If , however , it is not possible to place the plant where coal can be obtained directly from railway or boat , then it should be located so that the carting or other handling of the ...
Сторінка 208
... discharge the ashes at the periphery . The small boiler ( Fig . 63a ) is to supply steam that is decomposed , and also forces air through the mass , as already stated . The gas from the producer passes through cast - iron tubes ...
... discharge the ashes at the periphery . The small boiler ( Fig . 63a ) is to supply steam that is decomposed , and also forces air through the mass , as already stated . The gas from the producer passes through cast - iron tubes ...
Сторінка 211
... discharged gas consists largely of carbon monoxide and is capable of giving 90 to 115 B.T.U. per cu . ft . In the production of a ton of pig iron about 130,000 cu . ft . of this gas are given off and 80 to 120 cu . ft . are required by ...
... discharged gas consists largely of carbon monoxide and is capable of giving 90 to 115 B.T.U. per cu . ft . In the production of a ton of pig iron about 130,000 cu . ft . of this gas are given off and 80 to 120 cu . ft . are required by ...
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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
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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.