Philadelphia, Feb. [blank], 1795
Subtitle: Sir, Having from early age been concerned in working mines, and smelting and refining ores in Europe, and also several years engaged in the same line in the United States, I wish to become useful in promoting the opening of mines in this country ...
Series: Early American imprints -- no. 28822
Publisher: Printed by John Snowden and William M'Corkle
Published: 1795
Place of publication: Philadelphia
Language: eng
Subjects: Lectures and lecturing; Mines and mineral resources
Notes: Circular letter advertising a course of lectures on mineralogy; includes a syllabus.

Signed: Benjamin Henfrey. From the Gap-Copper-Mines, Lancaster County.

Ascribed to the press of John Snowden and William M'Corkle by Evans.

Evans 28822

Rink, E. Technical Americana, 3345