15 pages matching meter with cover in this book
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The Development of the Induction
Features of Meter Design
2 other sections not shown
accuracy alternating-current meters alternating-current watthour meter aluminum disk American meters ampere amperehour meter armature Aron differential Bearing system cent circuit commutator meter commutator-type watthour meter cup jewel current transformer current watthour meters cyclometer demand devices developed direct-current meters Edison chemical meter elec electric meter Electric Meter History electricity passed electrolytic meter electromotive force elements energy Features of Meter Ferranti four-wire full-load gear train heating heavy moving system important induction meters induction-meter art invented jewel bearings kilowatt-hour kilowatts light-load adjustment load lower bearing main and terminal-box manufacturers maximum-demand measurement mercury-motor meter meter register meter showing meter with cover millimeter-grams motor meter oscillation patents permanent magnets phase angle polyphase meter power-factor principle quantity meters reactive recording train Sangamo Type shaft Shallenberger single-phase special type steel pivot suitable terminal-box covers removed Thomson tion torque tricity tube type of demand type of direct-current type of meter Volt-Ampere voltage voltage-circuit losses wattmeter watts