AAccumulated,31.Accumulation,29.Accumulator cell,87.Accumulators,82,88,89.Accumulators, plates,83.Acid,34,37,125.Acid maker,125.Acid, sulphuric,31,84.Acidulated,55.Acidulated water,34.Acoustics,110.Actinic rays,184,185.Actinium,186.Active element,82.Adjustable rod,107.Adjusting screw,70,71,72,73,106.Aerial wire,108.Agents,13,32.Alarms, burglar,11,76,80.Alkali,125.Alkaline,37.Alternate,127.Alternating,38,149,150,153,154,155,156.Alternating current,145.Alternating periods,149.Alternations,147.Aluminum,128,129,135,137.Aluminum hydrate,129.Amber,5,171.Ammeter,7,88.Amperage,38,61,62,132,159,160,168.Ampere,7,37,60,63,139,140,167.Amplitude,111.Annunciator,65,74,76,79,80,81.Annunciator bells,11.Anode,35,133,134.Antennæ,108.Antimony137,143.Anvil,13,14.Apparatus,11,57,106,139,145.Arc,163,182.Arc lighting,38,165.Arc system,166.Armature,18,25,38,40,42,43,45,46,47,48,53,55,70,72,73,74,90,93,112,151,152,155,163,176,177,178,179,180.p. 208Armature brush,48.Armature post,71.Armature, vertical,75.Armature winding,42,43,156.Asbestos,140.Astatic galvanometer,108.Atmosphere,184.Attract,30.Attracted,72.Attraction,21,25.Attractive,178.Automatic,120.Auxiliary,44.Awls,14.BBacteria,126,187.Bar, cross,66.Bar, horizontal,46.Bar, parallel switch,67.Bar, switch,65,68.Base block,66.Batteries,11,93,122.Battery,29,30,32,35,36,46,47,80,81,82,83,85,86,88,92,94,95,107,108,116,117,118,121,134,142.Battery charging,82.Bearings,45,46.Bells,65,73,76,122.Bells, electric,70.Bench,13,15,17.Binding post,52,70,71,72,103,107,108,121.Binding screw,65,66.Bismuth,18,143.Bit,13.Blue vitriol,57.Brass plate,77,78.Brazing,17,65.Bridge,52.Brush holder,46.Brushes,48,150,151,153,167.Burglar,11.Burglar alarm,76,80.Buttons, contact,80.Buttons, push,65,68,69,70,76,79.CCalorimeter,56.Cancerous,187.Candle power,89,139.Cap, removable,73.Cap screws,42.Carbon,35,119,121,162,163,169.Carbon block,120.p. 209Carbon pencil,119.Cathode,35,36,133,134.Cell,29,33.Cell, accumulator,87.Cell, charging,87.Channel,43.Channel, concave,40.Charged,120.Charged battery,82.Charging circuit,82,89.Charging source,83.Charged wire,147.Chemical,57.Chisels,13.Chloride of lime,84.Choked,157.Choking coils,145,146,156,158.Circuit,33,69,73,76,78,80,81,90,92,93,109,113,116,121,122,131,134,143,156.Circuit, primary,99.Circuit, secondary,99.Circuiting,81,155.Circuiting system,79.Clapper arm,70.Closed rings,26.Coherer,105,108,109.Cohering,106.Coils,18,26,52,55,74,160.Coils, choking,145,146,156,158.Coils, induction,99,102.Coils, primary,109.Coils, secondary,102,109.Coincide,42.Cold,14.Collecting surfaces,30.Collector,31.Column,61.Combustion,169.Commutator,44,46,151,152.Commutator brushes,46.Commutator plates,45.Compass,22,24,172.Composition,83,124.Compound wound,47.Concave channel,40.Condenser,98,100,101,102,108.Conduct,6,108.Conduction,135,136,138,166,170.Conduction current,27.Conductor,21,31,33,63,98,116,161,162.Conduit,72.Conically formed,126.Conjunction,143.Connecting wire,58.Connection,72,76.Construction, magnet,39.Consumption,180.p. 210Contact,122,123,152,162.Contact finger,150.Contact plate,67,68,79.Contact screws,93.Contact surface,66.Continuous,145.Converter,176.Converting,142,145,146.Copper,18,34,36,65,66,132,133,134,135,136,137,142,143.Copper cyanide,133.Copper plate,33,35,58,67.Copper sulphate,57.Copper voltameter,55,57.Core,27,28,36,39,40,115.Core, magnet,75,93.Counter, clock-wise,51.Coupled,36.Crank,30.Crookes' tube,184.Cross bar,52,66.Crown of cups,32.Crystal,85.Current,6,7,13,18,26,27,28,35,36,37,38,47,50,51,52,55,56,57,58,59,62,63,70,72,73,90,95,98,105,108,116,133,134,135,136,138,139,140,141,142,143,147,148,149,150,152,153,157,160,161,163,165,166,170.Current, alternating,150.Current changing,82.Current conduction,27.Current, continuous,164.Current, direct,145,150.Current direction,50.Current, exterior,50,150.Current, reversing,148.Current strength,7,57.Current testing,143.Cut-out,120.Cutter,14.Cutting, lines of force,38.Cylinder,44.Cylindrical,43.DDash,95,97.Decoherer,106,108.Decomposed,57,128.Decomposes,55.Decomposing,123.Decomposition,12,35,82.Deflected,54.Degree,135,162.Demagnetized,24,72.Deposited,58,133.
p. 208
p. 209
p. 210