Wonderful inventions and discoveries: in heat, light and sound, being a popular account of many valuable inventions

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posted on 2025-07-30, 12:01 authored by Unknown author

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Notes

Sections on mathematical games; scientific toys including the gyroscope and slot machines; scientific objects for the household, including the chromograph (with a recipe), the campylometer and unusual clocks; useful inventions including a dog-powered sewing-machine; strange inventions such as mechanical carriages; very detailed sections on optical science and devices that can be made at home; the thaumatrope; the phenakistoscope; the zoetrope; the praxinoscope; the dazzling top; shadow play; also on auditory effects, and the topophone, the megaphone, the autophone, the audiphone, the telephone, the phonograph, the microphone. Illustrated with engravings. length 190mm; breadth 135mm; thickness 25mm fair (casing rather strained)

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paper (two types); cloth

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Special Collections

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