Страница - 164Страница - 166- Vacuum, sound in, [268].
- Vapor, in atmosphere, [36-38].
- Vaporization, heat of, [32].
- Varnish, on candies, [253].
- Vegetable matter, and coal, [30].
- Veins, formation in rock, [72-73].
- Velocity, of sound, [271-272].
- Ventilation, [21-24], [54].
- Vibration, of strings, [286-290].
- Viola, [295].
- Violin, [295].
- Violoncello, [295].
- Vocal cords, [300].
- Voice, [300].
- Volt, [344].
- Voltage, [345].
- Voltaic cell, [306-308], [310].
- Voltmeter, [344].
- Volume, of a stream, [179-180].
- relation of pressure of a gas, [95-96].
- Washing powders, [224-226].
- Water, action in nature, [70-74].
- amount used daily per person, [181].
- and hydrogen, [79].
- and oxygen, [79], [80].
- as solvent, [70-71].
- boiling, [77].
- boiling point, [15].
- composition, [79-80].
- condensation, [33].
- dams and reservoirs, [214-216].
- density, [11].
- distilled, [34], [77].
- drinking, [75-77], [195-201].
- electrolysis, [79-80].
- evaporation, [33-34].
- expansion, [9-10], [41-42].
- filtration, [77].
- freezing, [40-41].
- hard, [225].
- heat of fusion, [40].
- impurities, [76-77].
- in atmosphere, [36-38].
- in food, [75].
- in human body, [75].
- in vegetables, [75].
- influence on climate, [29], [40].
- irrigation, [193-194].
- minerals in, [70-71].
- ocean, [265].
- power, [176-180].
- precipitates, [72], [73].
- pressure, [208-211], [214-216].
- purification, [77].
- rain, [225].
- running, value of, [178-180].
- source of, [78].
- steam, [32].
- waves, [145-147].
- weight, [208-209], [215].
- wells, [195-201].
- wheels, [176-180].
- work under, [203-205].
- Water supply, and forests, [216-217].
- Watt, [351].
- Waves, heat, [145-147].
- Weather, bureau, [87-91].
- Weather maps, [89-91].
- Wedge, and inclined plane, [166].
- Weight, of air, [86].
- Welding, by electricity, [315].
- Wells, [195-201].
- Wheel and axle, [169-171].
- Wheelbarrow as lever, [160-161].
- White light, nature of, [135].
- Wind instruments, [297-301].
- Windlass, [169].
- Windmill, [174-175], [180-182].
- Winds, [24].
- Wine, [232], [234].
- Wood, as source of charcoal, [58].
- Wool, bleaching, [241].
- Work, [156-186].
- Woven designs in cloth, [249].
- Zinc, in galvanizing iron, [49].
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