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What is electricity? The electric
The reversibility of the properties
Chapter hi The units of measurement
1 other sections not shown
16 candle-power alternating current ammeter amperes armature attracted battery brakes cable called candle-foot candle-power lamp carbon cause cells charged chemical action circuit coil of wire conductor connected consumer contact breaker copper current passes dashes depends difference distance distribution dots driving dynamo ebonite electric bell electric current electric light electric motor electric pressure electro-magnet electro-motive force feeders feet filament lamps fixed flow fuses gong hammer heat hour illumination indicator insulation leakage length lines of force magnetic field magnetised maximum demand system means measure ment metal filament lamps meter microphone moving needle ordinary pipe plate pressed principle produced push radiating rails resistance reversibility revolving ring siphon siphon recorder sparks speed standard candle surface switch telegraph telephone temperature terminals tion transmit tree system tricity tube unit vibration volt-meter voltage volts watt-hour meter watts wheels whilst wireless Wireless telegraphy zinc