Synopsis of a Report on Mining in California and Nevada, U.S.A. |
From inside the book
Results 1-3 of 4
Page 46
... nozzles . ' In this portion of my report I would again take a leading gravel mine as a guide for a general description , as such will furnish all the necessary data controlling the others . ; At the North Bloomfield mine , the Bowman ...
... nozzles . ' In this portion of my report I would again take a leading gravel mine as a guide for a general description , as such will furnish all the necessary data controlling the others . ; At the North Bloomfield mine , the Bowman ...
Page 47
... nozzle , " from which a jet of water issues , which is the principal motor of the gravels operated upon . There are 4 - inch to 9 - inch nozzles in use , and by means of knuckle , universal joints , and balance - weights , these nozzles ...
... nozzle , " from which a jet of water issues , which is the principal motor of the gravels operated upon . There are 4 - inch to 9 - inch nozzles in use , and by means of knuckle , universal joints , and balance - weights , these nozzles ...
Page 49
... nozzles . The gold seen , during the inspection of the workings and outside apparatus , was of a very fine nuggety description , consisting of solid pieces . from a few pennyweights each up to one lump 64 ounces in weight . The value of ...
... nozzles . The gold seen , during the inspection of the workings and outside apparatus , was of a very fine nuggety description , consisting of solid pieces . from a few pennyweights each up to one lump 64 ounces in weight . The value of ...
Other editions - View all
Synopsis of a Report on Mining in California and Nevada, U. S. A (Classic ... G. Thureau No preview available - 2018 |
Synopsis of a Report on Mining in California and Nevada, U. S. a (Classic ... G. Thureau No preview available - 2016 |
Common terms and phrases
amalgam assay assayers auriferous average belt Bendigo Berkeley Berkeley Berkeley LIBRARY blanketings boilers boxes calcination California and Nevada CALIFORNIA Berkeley CALIFORNIA LIBRARY cast-iron cent charge chlorination coarse compressors Comstock lode concentration copper plates country rocks crushed cylinder deep depth districts dollars drum eight engines expense false bottom feet long furnaces gold-bearing Grass Valley gravel grinding hanging wall hearth holes Idaho inches inches diameter inches in diameter iron kind latter machinery machines Mariposa County means mercury metalliferous mills miners mortars motive-power nearly Nevada City Nevada County nozzles obtained ordinary ORNIA pans passed pipe piston placed power drills pumping pyrites quartz quartz lodes retorts ripples rock sand schist School of Mines screens screw SECTION shaft silver square inch stampers steam stopes Storey County stroke sulphurets surface tailings tappet timber tons treatment tunnel underlay UNIVERSITY OF CALIFORNIA valve vertical Victoria Virginia City whilst width