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ALCOHOL

ALCOHOL AND ETHERS.

Alcoiiol.

Take of Rectified-spirit, one pint.

Lime, eighteen ounces.Break down the Lime into small fragments :expose the Spirit and lime together to a gen-tle heat in a glass mattrass tili the lime be-gins to slake : withdraw the heat tili theslaking is finished, preserving the Upper partof the mattrass cool with damp cloths. Thenattach a proper refrigeratory, and with agradually incrcasing heat distil off seventeenfluidounces. The density of this alcoholshould not exceed 796 : If higher, the dis-tillation rnust have been begun before theslaking of the lime was finished.

Aether sulphuiucus.

Take of Rectified-spirit, fifty fluidounces.

Sulphuric acid, ten fluidounces.Pour twelve fluidounces of the Spirit gentlyover the Acid contained in an open vessel,and then stir them together briskly and tho-roughly. Transfer the mixture immediate-ly into a glass mattrass connected with a re-frigeratory, and raise the heat quickly toabout 280°. As soon as the etherial fluidbegins to distil over, supply fresh Spiritthrough a tube into the mattrass in a conti-mious stream,and in such quantity as to eqnal