Das Buch der Erfindungen, Gewerbe und Industrien. Rundschau auf allen Gebieten der gewerblichen Arbeit T Technology
Agricultural engineering in development : intermediate blacksmithing : a training manual T Technology
Report to the stockholders of the Savage Gold and Silver Mining Company, Hale & Norcross Mining Company, Chollar Mining Company and Potosi Mining Company on the Comstock Lode as to the advisability of draining and operating the deep levels ; together with cross-sections and plans taken from U.S. government reports and official letters from former superintendents T Technology
