Portal
:
Metallurgy
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Main
/
Index
Works
"
Iron and Civilization
" in
Popular Science Monthly
,
1
(
July 1872
)
"
Progress in the Manufacture of Steel
" in
Popular Science Monthly
,
19
(
October 1881
)
"
The Beginnings of Metallurgy
" in
Popular Science Monthly
,
25
(
May 1884
)