A new process for the extraction of copper from its ores
By: by T. Sterry Hunt & James Douglas, Jr.
Contributors: Douglas, James, 1837-1918.
Series: CIHM/ICMH microfiche series -- no. 07748.
Publisher: s.n.
Published: 1980
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 14
Subjects: Copper -- Metallurgy.
Notes: Cover title.

Reproduction of original in: National Library of Canada.

Pre-1900 Canadiana.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1980. 1 microfiche (11 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 07748).