Product Code Database
This historic book may have numerous typos and missing text
Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1891 edition. Excerpt: ...and apparatus. Class 392.--Fluxes aud their receptacles. Class 393.--Assay ballonces, etc. (See also Group in). Class 394.--Assay tables, assay schemes and methods. Group 67.--History and literature of mining and metallurgy. Class 395.--Maps, relief models, and pictures to illustrate the geology and distribution of minerals and mines and tho methods of working mines. Class 396.--History and statistics of mines and mining districts. Charts, diagrams, and tabular representations. Statistics of mineral production. Class 397.--Mine engineering--surface and underground surveying and plotting J projection of underground work, location of shafts, tnnnels, etc.; surveys for aqueducts and for drainage. Boring and drilling rocks, shafts, aud tunnels, etc.; surveys for aqueducts, and for ascertaining the nature and extent of mineral deposits. Construction--sinking and liuing shafts by various methods, driving and timbering tnunels, and the general operations of opening, stoping, and breaking down ore; timbering, lagging, and masonry. Hoisting and delivering at the surface, rock, ore, or miners; pnmping and draining by engines, buckets, or by adits. Ventilating aud lighting. DEPARTMENT F. MACHINERY. Group 68.--Motors and apparatus for the generation and transmission of power--kyraulic and pneumatic apparatus. Class 398.--Boilers and all steam or gas generating apparatus for motive purposes. Class 399.--Water wheels, water engines, hydraulic rams. Class 400.--Steam, ail, or gas engines. Class 401.--Apparatus for the transmission of power--shafting, hangers, belting, pulleys, couplings, clutches, cables, gearing. Transmission of power by compressed air, etc. Class 402.--Electric motors, dynamos. (See also Department J.) Class 403.--Pumps and apparatus...
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