Construction and operation of the Clapp-Griffiths converter for the manufacture of ingot iron and steel
By: papers and articles by J.P. Witherow, R.W. Hunt, and others
Publisher: J.P. Witherow
Published: 1885
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 37
Notes: Cover-title.

"Map of Pittsburgh and her industries" inserted.