A Theoretical and practical Treatise on Subterraneous Surveying, and the Magnetic Variation of the Needle. [With plates.]

Fenwick, Thomas

A Theoretical and practical Treatise on Subterraneous Surveying, and the Magnetic Variation of the Needle. [With plates.] - Newcastle upon Tyne S. Hodgson 1804 - xiii, 207 p. 8o


Great Britain--1707-