 | United States. Congress. Senate - United States - 1874 - 1186 pages
...or other substances, and for ascertaining the nature and extent of mineral deposits. CLASS 812. — CONSTRUCTION, SINKING, AND LINING SHAFTS, by various...opening, sloping, and breaking down ore ; timbering, logging, and masonry. CLASS 813. — HOISTING AND DELIVERING AT THE SURFACE, ROOK, ORE, OR MINERS.... | |
 | Stephen Bromley McCracken - Centennial Exhibition - 1876 - 714 pages
...Projection of underground work, location of shafts, tunnels, etc. Surveys for aqueducts, and for drainage. Boring and drilling rocks, shafts and tunnels, etc....timbering tunnels, and the general operations of opening, stoping and breaking down ore, timbering, lagging and masonry. Hoisting and delivering at the surface,... | |
 | United States Centennial Commission - Centennial Exhibition - 1876 - 1286 pages
...of underground work, location of shafts, tunnels, etc. Surveys for aqueducts and Tor drainage. " % ' Boring and drilling rocks, shafts, and tunnels, etc....timbering tunnels, and the general operations of opening, stoping, and breaking down ore, timbering, lagging, and masonry. Hoisting and delivering at the surface,... | |
 | Philadelphia internat. exhib, 1876 - 1876 - 960 pages
...Projection of underground work, location of shafts, tunnels, etc. Surveys for aqueducts, and for drainage. Boring and drilling rocks, shafts, and tunnels, etc....Construction. Sinking and lining shafts by various method?, driving and timbering tunnels, and the general operations of opening, stopping, and breaking... | |
 | Brazil. Commissão, Exposic̦ão universal - Brazil - 1876 - 188 pages
...tunnels, etc. Surveys for aqueducts, and drainage. Boring and drilling rocks, shafts, and tunnels, etc., and for ascertaining the nature and extent of mineral...various methods, driving and timbering tunnels, and generally the operations of opening, stoping and breaking down ore ; timbering, lagging and masonry.... | |
 | United States Centennial Commission - Centennial Exhibition - 1878 - 800 pages
...tunnels, etc. Surveys for aqueducts and drainage. Boring and drilling rocks, shafts, and tunnels, etc., and for ascertaining the nature and extent of mineral...various methods; driving and timbering tunnels, and generally the operations of opening, sloping, and breaking down ore ; timbering, lagging, and masonry.... | |
 | United States Centennial Commission - Centennial Exhibition - 1879 - 334 pages
...Projection of under ground work, location of shafts, tunnels, etc. Surveys for aqueducts, and for drainage. Boring and drilling rocks, shafts, and tunnels, etc....operations of opening, sloping, and breaking down ore, timber ing, lagging, and masonry. Hoisting and delivering at the surface, rock, ore, or miners. Pumping... | |
 | United States Centennial Commission - Centennial Exhibition - 1880 - 798 pages
...tunnels, etc. Surveys for aqueducts and drainage. Boring and drilling rocks, shafts, and tunnels, etc., and for ascertaining the nature and extent of mineral...various methods ; driving and timbering tunnels, and generally the operations of opening, sloping, and breaking down ore; timbering, l.igging, and masonry.... | |
 | United States. World's Columbian Commission - Chicago (Ill.) - 1891 - 134 pages
...projection of underground work, location of shafts, tunnels, etc.; surveys for aqueducts and for drainage. Boring and drilling rocks, shafts and tunnels, etc.;...ascertaining the nature and extent of mineral deposits. Construction—Sinking and lining shafts by various methods, driving and timbering tunnels and the... | |
 | New South Wales. Commissioners for the World's Columbian exposition - Metallurgy - 1893 - 170 pages
...&c. : surveys for aqueducts and for drainage, Boring and drilling rocks, shafts, and tunnels, &c. ; surveys for aqueducts, and for ascertaining the nature...timbering tunnels, and the general operations of opening, stoping, and breaking down ore; timbering, lagging and masonry. Hoisting and delivering at the surface,... | |
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Surveys for aqueducts and for drainage. Boring and drilling rocks, shafts and tunnels, etc. Surveys for aqueducts, and for ascertaining the nature and extent of mineral deposits. Construction. Sinking and lining shafts by various methods, driving and... 