METALLURGY:

THE ART OF EXTRACTING METALS FROM THEIR ORES, AND
ADAPTING THEM TO VARIOUS PURPOSES

OF MANUFACTURE.

BY JOHN PERCY, M.D., F.R.S.,

LECTURER ON METALLURGY AT THE ROYAL SCHOOL OF MINES.

IRON AND STEEL.

WITH ILLUSTRATIONS, CHIEFLY FROM ORIGINAL DRAWINGS, CAREFULLY
LAID DOWN TO SCALE.

TN6C5
742

BY THE SAME AUTHOR.

METALLURGY:

THE ART OF EXTRACTING METALS FROM THEIR ORES, AND ADAPTING THEM TO VARIOUS PURPOSES OF MANUFACTURE.

34638

FIRST DIVISION.

FUEL-FIRE-CLAYS, &c. - COPPER, ZINC, and BRASS.