Journal, Volume 231895 - Electricity Vols. 59-95, Dec. 1920-1948 include (1941-48, in pt. 3) Proceedings of the Radio section (as Wireless section, Chairman's address, 1920-40; as Wireless section, Proceedings, 1941-44). |
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alternating currents amperes ANON.-The apparatus armature cables cars cathode cent circuit City coal coil Company condenser conductors connected constructed copper cost Crompton curve cylinder deflection diameter difference dynamos earth effect efficiency electric light electric traction electrical engineers electro-magnetic electrolytic experiments field figures fly-wheel fuel galvanometer give hysteresis inch increased induction Institution insulated iron Kapp kilowatts lamps Lancashire boiler load loss machines magnetic magnetisation maximum measured Messrs metallic method metres miles Mordey motor obtained ohms ordinary output paper parallel pipes placed plates poles Preece pressure produced Professor Ayrton Professor Forbes Provisional Orders rack railways rails railways resistance return feeders revolutions per minute running self-induction shunt box speed steam Street supply synchronising synchronism telegraph telephone temperature Thames Ditton tramway transformer trolley wire tube units voltmeter volts water-tube boilers Webber Wilkinson
Popular passages
Page 70 - 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.
Page 69 - 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.
Page 70 - As a unit of work, the joule, which is equal to 107 units of work in the CGS system, and which is represented sufficiently well for practical use by the energy expended in one second by an international ampere in an international ohm. As a unit of power, the watt, which is equal to 10...
Page 69 - Ampere, which is one-tenth of the unit of current of the 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.
Page 69 - ... 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...
Page 256 - NOTICE. 1. The Institution's Library is open to members of all Scientific Bodies, and (on application to the Secretary) to the Public generally. 2. The Library is open (except from the 14th August to the 16th September) daily between the hours of...
Page 69 - The unit of electromotive force shall be what is known as 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 an international ampere...
Page 721 - I have much pleasure in proposing : " That the best thanks of the Institution be accorded to the Honorary Auditors, Mr. H. Alabaster and Mr. Sidney Sharp, for their kind services during the past year.
Page 500 - Mitchell were appointed scrutineers of the ballot for new members. Donations to the Library were announced as having been received since the last meeting from Messrs.
Page 683 - ... streets, make and repair sewers, and to fix the lines of the streets and the boundaries of the lots. All these officers were appointed in 1797, as well as many others, such as a harbor-master, clerks of the markets, corders of fire-wood, assessors and a collector of taxes, and weighers of hay.