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Updated: June 20, 2025
This half-bulb serves likewise for another purpose. From the moment that the large bulb makes the lime-water turbid with an air containing two per cent. of CO , it is clear that the small one can cause the same turbidity only with air twice richer in CO , i.e., of four per cent. This apparatus, although it makes no pretensions to extreme accuracy, is capable of giving valuable information.
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