Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 481
ontains lime water, or if it .should chance 422 Educational. to be Goulards Extract of Lead, it would answer the same purpose ;and you will please notice that it is at present perfectly transparent. From the top of this wash-bottle, we have a connecting tube pass-ing down under and extending up… … candle gets brighter; and you see also the air bubbling up throughthe lime water, and in the glass receiver the water gradually fallingas the air is admitted to take its place. The candle is now burning as brightly as though it were in theopen air; it has all the oxygen it wants, but let me turn…
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