A manual of mining. Based on the course of lectures on mining delivered at the School of Mines of the state of Colorado T Technology
Gold, its occurrence and extraction : embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks; the peculiar features and modes of working shallow placers, rivers, and deep leads; hydraulicing … a bibliography of the subject; and a glossary of English and foreign technical terms T Technology
Metro manual; a hand book for engineers, containing technical information regarding the construction, adjustment and use of transits, tachymeters, theodolites, alidades, levels, etc. T Technology
Stories of inventors and discoverers in science and the useful arts. A book for old and young T Technology
