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Show Heat From Acctyllne. A comparison between tho heating properties of acotyllno and coal gas Bhows that the heat units dovelopcd per cubic foot aro 1,850 and 630, respectively, re-spectively, tho tompernturo of tho acotyllno flnmo being about 2,000 do-grces do-grces Fahrenheit. With an acotyllno burner consuming two cubic foot of gas an hour a quart of water was brought from a tomporaturo of about CO degrees to tho boiling point In about 8. minutes. Under similar conditions It required 10V4 minutes fbr tho illuminating il-luminating gas to accomplish tho samo rosults, though tho burner used sixteen cubic feet of gas per hour. |