Subterraneous Surveying; with and Without the Magnetic Needle; New Edition with Seventy-six Diagrams and a general Index.
London: Lockwood & Co., 1871. Small Octavo. [v]-xiii, pages, 1 leaf, 165 pages including diagrams. He began his system in 1804 of solving the problem of subterranean mines as well as the variations with the magnetic needle. This became the definitive edition used in mining at the last part of..... More