



Produced by Bryan Ness, Greg Bergquist, Jamie Atiga and
the Online Distributed Proofreading Team at
http://www.pgdp.net









Alembic Club Reprints--No. 1.

EXPERIMENTS

UPON

MAGNESIA ALBA,

QUICKLIME,

AND SOME OTHER

ALCALINE SUBSTANCES.


BY JOSEPH BLACK, M.D.,
_Professor of Chemistry in the University of Edinburgh, 1766-1797_.

(1755.)


Edinburgh:
PUBLISHED BY THE ALEMBIC CLUB.

_Edinburgh Agent:_
WILLIAM F. CLAY, 18 TEVIOT PLACE.

_London Agents:_
SIMPKIN, MARSHALL, HAMILTON, KENT, & CO. LTD.

1898.

[Illustration: Insignia]




PREFACE.


Black's Paper entitled "Experiments upon Magnesia Alba, Quicklime, and
some other Alcaline Substances" was read in June 1755, and was first
published in "Essays and Observations, Physical and Literary. Read
before a Society in Edinburgh, and Published by them," Volume II.,
Edinburgh, 1756; pp. 157-225. It was subsequently reprinted several
times during the life of the author, not only in later editions of these
Essays, but also in a sep