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Showing 109–120 of 142 results
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Device for demonstrating Lenz's rule
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An apparatus for demonstrating the thermal conductivity of bodies
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Прибор для демонстрации фотоэффекта
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Прибор для иллюстрации сохранения массы веществ
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Apparatus for the oxidation of alcohol over a copper catalyst
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An apparatus for experiments with electric current
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Gas apparatus
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Device for obtaining soluble substances in solid form
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Пьющая птичка
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Развитие костистой рыбы
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Реостат ползунковый
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The skeleton of a pigeon
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