. Electricity simplified. The practice and theory of electricity ... f power in tele-phone system 144 Trolley wire 139 Units 14 Units, practical 60-65 Velocity of electricity 49-53 Velocity of light 60 Velocity of transmission of an electric impulse 43, 44 Vitreous electricity 25 Volt-coulomb, a compound unit of work and energy 66 Voltmeters 93 Volt 61, 62 Water as conductor or electro-lyte 115 Water, decomposition of 70-73 Water-drops, their change in capacity ...: 23 Waves, electric 12, 13 Waves of electricity 50 Weight ; 18 Weight of storage 131Welding, electric, converters in
. Electricity simplified. The practice and theory of electricity ... f power in tele-phone system 144 Trolley wire 139 Units 14 Units, practical 60-65 Velocity of electricity 49-53 Velocity of light 60 Velocity of transmission of an electric impulse 43, 44 Vitreous electricity 25 Volt-coulomb, a compound unit of work and energy 66 Voltmeters 93 Volt 61, 62 Water as conductor or electro-lyte 115 Water, decomposition of 70-73 Water-drops, their change in capacity ...: 23 Waves, electric 12, 13 Waves of electricity 50 Weight ; 18 Weight of storage 131Welding, electric, converters in 109Wires, parallel, action when carrying currents 96, 97 Wire through which a current passes a seat of energy 44 Work 15 Work and energy, electrical. 65-69Work and energy, unit of rate of 68 Work, reciprocal of energy 16 Zero of potential 25 Zinc, amalgamated, in battery 112Zinc, chemically pure, in bat-tery .. 112 Zinc, polarization of, in bat-tery 117 The Improved Double Cylinder Law Battery. Covered by Letters Patent, infringement of ichich will be THIS Battery has been brought to a high state of perfection. Perfectly uni-form and reliable in action? Of faultless construction and beautiful ap-pearance. In these respects it is unapproached. Its electromotive force volts, and its internal resistance .5 of an ohm at the start, an 1 continues thesame until the zinc is consumed or solution exhausted. At this date, Oct. 1st,1891, it has been on the market for eleven years, and tens of thousands arenow in use throughout the length and breadth of the land. Cells put in usein t88i are still working, and working as well as at their start; nothing butthe zinc and the solution, costing but a few cents, ever having been renewed. In all porous-cup and other forms of batteries which require the periodicalrenewal of the negative element, the first cost of the cell is insignificant ascompared with the cost of the renewals. The sale of these perishable negative elements is
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Keywords: ., bookcentury1800, bookdecade1890, bookidel, booksubjectelectricity
