Philadelphia, Feb. [blank] 1795
Subtitle: sir, having from early age been concerned in working mines ... I wish to become useful in promoting the opening of mines in this country ... I propose giving a short course of practical lectures on the most useful branches of metallurgic chemistry ...
Contributors: Dobson, Thomas 1751-1823, bookseller.; James Madison Pamphlet Collection (Library of Congress)
Publisher: Printed by Snowden & M'Corkle
Published: 1795
Place of publication: [Philadelphia
Language: eng
Subjects: Metallurgy -- Study and teaching -- United States.; Mineralogy -- United States.
Notes: Evans 28822
Signed: Benjamin Henfrey, from the Gap-Copper-Mines, Lancaster County.
Printer from Evans.
"Gentlemen who wish to subscribe to the above lectures, are requested to leave their address with Mr. Thomas Dobson, bookseller ..."
Source: Transfer from Manuscript Division, Library of Congress, Dec. 1937-June 1938. Formerly part of the James Madison Papers, vol. 78, p. 13.