J. J. BERINGER,

ASSOC. OF THE ROYAL SCHOOL OF MINES; FELLOW OF THE CHEMICAL SOCIETY AND OF THE INST. OF CHEMISTRY; PRINCIPAL OF THE CAMBORNE MINING SCHOOL; AND LATE PUBLIC ANALYST FOR THE COUNTY OF CORNWALL.

With numerous Diagrams and Tables.

NINTH EDITION.

LONDON:
CHARLES GRIFFIN AND COMPANY, Limited,
EXETER STREET, STRAND.
1904.

[All rights reserved.]


PUBLISHER'S NOTE TO THE NINTH EDITION

The continued popularity of the present work, the last edition of which was published only a little over a year ago, continues to be a source of gratification to the publishers, who have much pleasure in issuing the present edition.

January 1904.