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107
No II.
PREPARATION for a SOAP-LEY. By Dr. Joseph Black, Professor of Chemistry in the University of Edinburgh.—(Referred to, p. 45. of this Work.)
THE celebrated Dr. Joseph Black, professor of chemistry in the University of Edinburgh, in an experiment made with a view to investigate the nature and properties of the caustic alkali, proceeds thus[1]:
"I made a caustic or soap-ley in the following manner:
- ↑ See his Experiments upon Magnesia Alba, Quick-lime, and other Alkaline Substances.
