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Balance for technical porposes |
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Balling's saccarometer |
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Barlow's wheel |
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Baroscope |
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Battery of four Leyden jars |
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Battery of Grenet's piles |
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Beccaria-Faraday's well 1 |
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Beccaria-Faraday's well 2 |
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Bell for sound in vacuum |
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Bell's demountable thelephone |
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Bellows for acoustic experiments |
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Beltram's voltameter |
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Biot's apparatus for superficial distribution of electricity |
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Board for the parallelogram of forces |
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Bodies inertia |
