y in experimenting upon this subject. Bec- president of the Royal Society, in the chair. We fol- Tradesman, will prove of value to those interested in querel allowed charcoal to absorb gases, and then low the report given in the Hngineer. this subject. examined the properties of each gas. He thus… … the apparatus in the first instance. loss of time. This rule should be observed in the case He first filled a test tube with liquid oxygen, of which of large, valuable tools which are seldom used, but it he said that he should probably use a pint in the course strong, even in relation to a solution…
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