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 |
З цієї книги
Результати 1-5 із 34
Сторінка 7
... charge is as low as one - half of one cent ; or , in other words , the price for central - station incandescent ... charged with its share of all expenses , it can be produced for .2 to .25 cent per lamp - hour , provided the average ...
... charge is as low as one - half of one cent ; or , in other words , the price for central - station incandescent ... charged with its share of all expenses , it can be produced for .2 to .25 cent per lamp - hour , provided the average ...
Сторінка 8
... charges in air or rarefied gas . The record of these may be found in a book entitled Physico- Mechanical Experiments on Various Subjects , containing an Account of Several Surprising Phenomena touching Light and Electricity . By F ...
... charges in air or rarefied gas . The record of these may be found in a book entitled Physico- Mechanical Experiments on Various Subjects , containing an Account of Several Surprising Phenomena touching Light and Electricity . By F ...
Сторінка 23
... charged to a potential of one inter- national volt by one international coulomb of electricity . Sixth . The unit of work shall be the Joule , which is equal to ten million units of work in the centimeter - gram - second system , and ...
... charged to a potential of one inter- national volt by one international coulomb of electricity . Sixth . The unit of work shall be the Joule , which is equal to ten million units of work in the centimeter - gram - second system , and ...
Сторінка 28
... for the use of many different and independent customers ; and a separate measurement or estimate of current and charge therefor is made 28 ELECTRIC LIGHTING . CHAPTER IV CLASSIFICATION AND SELECTION OF ELECTRIC-LIGHTING SYSTEMS.
... for the use of many different and independent customers ; and a separate measurement or estimate of current and charge therefor is made 28 ELECTRIC LIGHTING . CHAPTER IV CLASSIFICATION AND SELECTION OF ELECTRIC-LIGHTING SYSTEMS.
Сторінка 29
... charge therefor is made in the case of each customer . Isolated electric - lighting plants , on the other hand , are ... charges , which eliminates the somewhat troublesome element of meters , and greatly simplifies the business ...
... charge therefor is made in the case of each customer . Isolated electric - lighting plants , on the other hand , are ... charges , which eliminates the somewhat troublesome element of meters , and greatly simplifies the business ...
Інші видання - Показати все
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 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 example 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 lines 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 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
Популярні уривки
Сторінка 450 - JW Dynamo Construction. A Practical Handbook for the use of Engineer Constructors and Electricians in Charge. Illustrated. 12mo., cloth $3.00 Electric Ship-lighting. A Handbook on the Practical Fitting and Running of Ship-s Electrical Plant, for the use of Ship Owners and Builders, Marine Electricians, and Sea-going Engineers in Charge.
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 446 - TRAMWAYS: THEIR CONSTRUCTION AND WORKING. Embracing a Comprehensive History of the System ; with an exhaustive Analysis of the various Modes of Traction, including...
Сторінка 447 - HASKINS, CH The Galvanometer and its Uses. A Manual for Electricians and Students. Fourth Edition, revised. 12mo, morocco.
Сторінка 22 - CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Сторінка 446 - DYNAMIC ELECTRICITY: Its Modern Use and Measurement, chiefly in its application to Electric Lighting and Telegraphy, including: 1. Some Points in Electric Lighting, by Dr. John Hopkinson. 2. On the Treatment of Electricity for Commercial Purposes, by JN Shoolbred. 3. Electric-Light Arithmetic, by RE Day, ME Fourth Edition. Illustrated. 16mo., boards, 166 pp. (No. 71 Van Nostrand's Science Series.) 50 cents EDGCUMBE, K.
Сторінка 448 - CE) A Pocket-book of Electrical Rules and Tables for the use of Electricians and Engineers.
Сторінка 23 - As a unit of quantity, the international coulomb, which is the quantity of electricity transferred by a current of one international ampere in one second. As a unit of capacity, the international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
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, and which is represented sufficiently well for practical use by \\\% of the electromotive force between the poles or electrodes of the voltaic cell known as Clark's cell, at a temperature of 15° C., and prepared in the manner described in the accompanying specification...
Сторінка 24 - It is nearly filled with the solution, and connected to the rest of the circuit by being placed on a clean copper support to which a binding screw is attached.