BELL AND BAIN, LTD., PRINTERS, GLASGOW.

_Griffin’s Metallurgical Series._

SIXTH EDITION, thoroughly Revised

and considerably Enlarged. 18s. net.

=An Introduction to the Study of

METALLURGY.=

Modern Copper Smelting being lectures delivered at Birmingham University, greatly extended and adapted and with and introduction on the history, uses and properties of copper. · 第 63 / 71 题