Electricity for Boys

by James Slough Zerbe

• Armature 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].

• Bacteria, [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].

• Calorimeter, [56].
• Cancerous, [187].
• Candle power, [89], [139].
• Cap, removable, [73].
• Cap screws, [42].
• Carbon, [35], [119], [121], [162], [163], [169].
• Carbon block, [120].

[p. 209]

Carbon 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].

• Carbon 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. 210]

Contact, [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]. D Dash, [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].