Electricity for Boys - James Slough Zerbe - Page №89

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Measuring devices, [27].
Measuring instruments, [8].
Mechanism, [47], [180].
Medical batteries, [99].
Mercury, [63], [169].
Metal base, [73].
Mica, [186].
Microphone, [118], [119], [120].
Millimeter, [63].
Minus, [34].
Minus sign, [21].
Morse code, [76].
Motor, [7], [21], [27], [46], [47], [62], [82], [99], [150], [176], [180].
Mouthpiece, [115].
Mouthpiece rays, [188].
Moving field, [117].
Multiple, [168].
Musical scale, [111].

Negative, [21], [35], [36], [68], [83], [86], [87], [94], [125], [151], [152], [154], [165], [177], [178], [179].
Neutral, [125].
Neutral plate, [84].
Nickel, [136].
Nickel plating, [132].
Nitrate of silver, [62].
Nitrogen, [126].

Non-conducting material, [90]. Non-conductor, [164]. Non-magnetic, [19]. North pole, [20], [21], [22], [23], [25], [50], [54], [156]. Number plate, [75]. N-ray, [188]. O Ohms, [60], [63]. Ohms, international, [63]. Ohms law, [7]. Operator, [95], [118]. Oscillating, [99], [105]. Osmium, [169]. Oxides, [125]. Oxidizing, [183]. Oxygen, [35], [123], [125], [126], [128], [129], [169]. P Packing ring, [124]. Paraffine, [56], [100], [101], [102]. Paraffine wax, [86]. Parallel, [87], [88], [89]. Parallel switch bar, [67]. Parallel wires, [28], [49]. Partition, [124]. Peon, [13].

Percolate, [128]. Periodicity, [159]. Periods of alternations, [149]. Permanent, [18], [19], [50]. Permanent magnet, [25], [38], [46], [50], [172]. Phase, [19]. Phenomenon, [27], [65]. Photograph, [186]. Physical, [21]. Pile, voltaic, [33]. Pipe, [61]. Pitchblende, [186]. Pivot pin, [53]. Pivotal, [22]. Plane, [13]. Plate, [57], [93]. Plate, contact, [67], [68], [79]. Plate, copper, [33], [35], [58], [67]. Plate, negative, [84]. Plate, number, [75]. Plate, positive, [84], [88]. Plate, zinc, [33]. Platinum, [13], [57], [137]. Pliers, [14]. Plus sign, [21], [24]. Pointer, [53]. Polarity, [154], [177], [178], [179]. Polarization, [35]. Pole, north, [20], [21], [22], [23], [25], [50], [54], [156].

Non-conducting material, [90].
Non-conductor, [164].
Non-magnetic, [19].
North pole, [20], [21], [22], [23], [25], [50], [54], [156].
Number plate, [75].
N-ray, [188].

Ohms, [60], [63].
Ohms, international, [63].
Ohms law, [7].
Operator, [95], [118].
Oscillating, [99], [105].
Osmium, [169].
Oxides, [125].
Oxidizing, [183].
Oxygen, [35], [123], [125], [126], [128], [129], [169].

Packing ring, [124].
Paraffine, [56], [100], [101], [102].
Paraffine wax, [86].
Parallel, [87], [88], [89].
Parallel switch bar, [67].
Parallel wires, [28], [49].
Partition, [124].
Peon, [13].

Percolate, [128].
Periodicity, [159].
Periods of alternations, [149].
Permanent, [18], [19], [50].
Permanent magnet, [25], [38], [46], [50], [172].
Phase, [19].
Phenomenon, [27], [65].
Photograph, [186].
Physical, [21].
Pile, voltaic, [33].
Pipe, [61].
Pitchblende, [186].
Pivot pin, [53].
Pivotal, [22].
Plane, [13].
Plate, [57], [93].
Plate, contact, [67], [68], [79].
Plate, copper, [33], [35], [58], [67].
Plate, negative, [84].
Plate, number, [75].
Plate, positive, [84], [88].
Plate, zinc, [33].
Platinum, [13], [57], [137].
Pliers, [14].
Plus sign, [21], [24].
Pointer, [53].
Polarity, [154], [177], [178], [179].
Polarization, [35].
Pole, north, [20], [21], [22], [23], [25], [50], [54], [156].

Pole piece, [40], [42]. Pole, south, [20], [21], [22], [25], [50], [54], [156]. Poles, [177], [179]. Polonium, [186]. Porcelain, [86]. Porous, [85]. Positive, [4], [21], [25], [36], [40], [68], [83], [86], [87], [94], [123], [125], [151], [152], [153], [155], [165]. Post, binding, [52], [71]. Potentiality, [105], [109]. Power, [38], [186]. Power, candle, [89], [139]. Precipitate of lead, [83], [85]. Precision, [7]. Pressure, [87]. Primary, [35], [62], [98], [134], [142], [159], [184]. Primary battery, [7], [99]. Primary circuit, [99]. Primary coil, [106], [109]. Prime conductor, [6]. Projected, [185]. Propagated, [105], [185]. Properties, [55]. Purification, [123], [128]. Purifier, [126], [131]. Push button, [65], [68], [69], [70], [76], [79]. Q Quantity, [55], [60], [61], [138]. Quartz, [186].

R Radio-activity, [186]. Radium, [184], [185], [187], [188]. Ratchet drill, [13]. Reaction, [148]. Receiver, [12], [90], [97], [121], [122]. Receiving station, [109]. Rectangular, [69]. Rectifiers, [146]. Red lead, [83], [84]. Reel, [13]. Reflected, [185]. Refraction, [185]. Refractory, [182]. Register, [57]. Removable, [54]. Removable cap, [73]. Repel, [20]. Repulsion, [21], [128]. Reservoir, [61], [62]. Resiliency, [99]. Resistance, [7], [36], [37], [60], [63], [99], [135], [136], [137], [138], [140], [141], [156], [157], [163], [166], [168]. Resistance bridge, [7]. Resistance, external, [37]. Resistance, internal, [37]. Rheostat, [7]. Reversed, [20], [50], [153].