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 4
... avoided by enclosing the lamp in a thick glass globe . 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 ...
... avoided by enclosing the lamp in a thick glass globe . 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 ...
Сторінка 5
... avoid danger of fire , and for other reasons , it is ordinarily a positive advantage to turn out a light entirely when not required ; and this can be done in the case of the electric light without involving any trouble in relighting it ...
... avoid danger of fire , and for other reasons , it is ordinarily a positive advantage to turn out a light entirely when not required ; and this can be done in the case of the electric light without involving any trouble in relighting it ...
Сторінка 19
... avoid this at present , and the transition must be made gradually . Indeed , it will be extremely difficult to change the measurements of wires , machines , etc. , which are always manufactured and measured in terms of inches . and feet ...
... avoid this at present , and the transition must be made gradually . Indeed , it will be extremely difficult to change the measurements of wires , machines , etc. , which are always manufactured and measured in terms of inches . and feet ...
Сторінка 27
... avoided , since the changes in electro - motive force lag behind those of temperature . Respectfully submitted . HENRY A. ROWLAND , Chairman . HENRY L. Abbot , GEORGE F. BARKER , Committee . CHARLES S. HASTINGS , ALBERT A. MICHELSON ...
... avoided , since the changes in electro - motive force lag behind those of temperature . Respectfully submitted . HENRY A. ROWLAND , Chairman . HENRY L. Abbot , GEORGE F. BARKER , Committee . CHARLES S. HASTINGS , ALBERT A. MICHELSON ...
Сторінка 28
... avoid the common mistake of forcing it too far by attempting to make the facts fit the classification , instead of the classification fitting the facts . Electric - lighting apparatus may be classified with reference to various ...
... avoid the common mistake of forcing it too far by attempting to make the facts fit the classification , instead of the classification fitting the facts . Electric - lighting apparatus may be classified with reference to various ...
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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
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.