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 26
... surface of the amalgam , heated in a porcelain dish , and some of the amalgam is drawn into the tube by means of the rubber bulb . The point is then quickly cleaned of dross with filter paper , and is passed through the wider tube to ...
... surface of the amalgam , heated in a porcelain dish , and some of the amalgam is drawn into the tube by means of the rubber bulb . The point is then quickly cleaned of dross with filter paper , and is passed through the wider tube to ...
Сторінка 27
... surface with a metallic luster . For insertion of the mercury , a dropping - tube with a long stem will be found convenient . The paste may be poured in through a wide tube reaching nearly down to the mercury , and having a funnel ...
... surface with a metallic luster . For insertion of the mercury , a dropping - tube with a long stem will be found convenient . The paste may be poured in through a wide tube reaching nearly down to the mercury , and having a funnel ...
Сторінка 44
... surface condensers are employed ; in fact , salt water can be used , as in the case of marine engines . But even in condensers it is desirable to have reasonably pure water , and therefore it is generally found 44 ELECTRIC LIGHTING .
... surface condensers are employed ; in fact , salt water can be used , as in the case of marine engines . But even in condensers it is desirable to have reasonably pure water , and therefore it is generally found 44 ELECTRIC LIGHTING .
Сторінка 58
... surface should be made horizontal in one plane , if possible , or in benches on rising ground . Three kinds of foundation are employed : - 1. Those in which the foundation is of uniform width . 2. Those in which the foundation is wide ...
... surface should be made horizontal in one plane , if possible , or in benches on rising ground . Three kinds of foundation are employed : - 1. Those in which the foundation is of uniform width . 2. Those in which the foundation is wide ...
Сторінка 61
... surface upon which to set the machinery . If the engine is self - contained , that is , provided with a cast - iron base , a stone cap for brick founda- tions may be dispensed with . Walls . The walls of the building may consist of ...
... surface upon which to set the machinery . If the engine is self - contained , that is , provided with a cast - iron base , a stone cap for brick founda- tions may be dispensed with . Walls . The walls of the building may consist of ...
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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.