Surface Arrangements, Ore Dressing and Milling, Sampling Ores, Roasting and Calcining Ores, the Cyanide ProcessInternational Textbook Company, 1902 - 500 Seiten |
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Seite 13
... plates used in printing the Reference Libraries above mentioned , a few words are necessary regarding the scope and purpose of the instruction imparted to the students of - and the class of students taught by- these Schools , in order ...
... plates used in printing the Reference Libraries above mentioned , a few words are necessary regarding the scope and purpose of the instruction imparted to the students of - and the class of students taught by- these Schools , in order ...
Seite 18
... Plates 28 17 Devices for Saving Gold in Amalgam 28 21 Huntington Mill . 28 25 General Mill Arrangement 28 33 Amalgamating Mills 28 35 Removal of Mill Tailings 28 42 Practical Hints in Connection With Con- centration . 28 49 ORE DRESSING ...
... Plates 28 17 Devices for Saving Gold in Amalgam 28 21 Huntington Mill . 28 25 General Mill Arrangement 28 33 Amalgamating Mills 28 35 Removal of Mill Tailings 28 42 Practical Hints in Connection With Con- centration . 28 49 ORE DRESSING ...
Seite 28
... plates called fish - plates , and when these are set into the wood in such a manner as not b K FIG . 20 to increase the size of the timber , it is still a scarfed joint ; but when the pieces used for joining the timbers are simply ...
... plates called fish - plates , and when these are set into the wood in such a manner as not b K FIG . 20 to increase the size of the timber , it is still a scarfed joint ; but when the pieces used for joining the timbers are simply ...
Seite 29
... plates c and c are called fish - plates . 49 . Heavy Framing by Cutting Joints . - One form of heavy framing is illustrated in Fig . 20. The heavy sill timbers a are secured to the timbers b by notching into each timber , as shown in ...
... plates c and c are called fish - plates . 49 . Heavy Framing by Cutting Joints . - One form of heavy framing is illustrated in Fig . 20. The heavy sill timbers a are secured to the timbers b by notching into each timber , as shown in ...
Seite 31
... plates ; then from the launder at the foot of the plate it passes to concentrating tables , an arrangement not used with free - milling ores , but quite natural with a rather refractory ore . 121 Profile line FIG . 24 § 24 31 AT ...
... plates ; then from the launder at the foot of the plate it passes to concentrating tables , an arrangement not used with free - milling ores , but quite natural with a rather refractory ore . 121 Profile line FIG . 24 § 24 31 AT ...
Häufige Begriffe und Wortgruppen
adjustable amalgam apparatus apron plates arrangement battery belt bolted bottom buddle bumping table carried cast-iron cent charge clean coarse compartment concentrates cone conveyer copper countershaft crusher crushing crushing machine cyanide cyanide process diameter discharge driving dump elevator feed feeder feet flow furnace gallons gamating gangue Gilpin County gold head heavy holes horizontal Huntington mill inches iron launder lever lower end machine magnetic material mercury mesh metals middlings mineral mortar motion muller operation oxide pan amalgamation particles passes pile pipe piston potassium cyanide pounds prevent pulley pulp stream pyrites revolutions per minute revolving roasting rock roller rolls sample screen separation settling shaft shaking frame shoes shown in Fig side silver sizes slimes slot specific gravity speed stamp mill stationary stroke surface tailings tanks tappet timbers tion trough usually vanner vertical wash water wheel zinc
Beliebte Passagen
Seite 2 - That whenever by priority of possession, rights to the use of water for mining, agricultural, manufacturing, or other purposes, have vested and accrued, and the same are recognized and acknowledged by the local customs, laws, and the decisions of courts, the possessors and owners of such vested rights shall be maintained and protected in the same ; and the right of way for the construction of ditches and canals for the purposes aforesaid is hereby acknowledged and confirmed : Provided, however.
Seite 2 - All patents granted or preemption or homesteads allowed shall be subject to any vested and accrued water rights, or rights to ditches and reservoirs used in connection with such water rights as may have been acquired under or recognized by the preceding section.
Seite 2 - Where non-mineral land not contiguous to the vein or lode is used or occupied by the proprietor of such vein or lode for mining or milling purposes, such non-adjacent surface ground may be embraced and included in an application for a patent for such vein or lode, and the same may be patented therewith, subject to the same preliminary requirements as to survey and notice as are applicable to veins or lodes...
Seite 2 - ... and the right of way for the construction of ditches and canals For the purposes herein specified is acknowledged and confirmed ; but whenever any person, in the construction of any ditch or canal, injures or damages the possession of any settler on the public domain, the party committing such injury or damage shall be liable to the party injured for such injury or damage.
Seite 2 - The owner of a quartz mill or reduction works not owning a mine in connection therewith may also receive a patent for his mill site as provided in this section.
Seite 2 - Together with all and singular the hereditaments and appurtenances thereunto belonging, or in any wise appertaining...
Seite 14 - FCLFIL. 1. The precipitated gold must adhere to it. 2. It must be capable of being rolled out into very thin. sheets to avoid unnecessary expense. 3. It must be easy to recover the gold from it. 4. It must not be more electro-positive than the anode, in order to prevent return currents being generated when the depositing current is stopped. The most suitable metal for the purpose is lead, rolled out into very thin sheets.
Seite 15 - The boxes are kept locked, being opened once a month for the purpose of a " clean up," which is carried out in the following manner : The frames carrying the lead cathodes are taken out one at a time. The lead is removed and replaced by a fresh sheet, and the frame returned to the box, the whole operation taking but a few minutes for each frame. By this means the ordinary working is not interrupted at all, and the cleaning out of the boxes, which is necessary in the zinc boxes, is only required at...
Seite 20 - By this means the air can be rarefied when the filter bottom is covered with pulp. The part above the filter receives the contents of the agitator. The bottom of the apparatus has a discharge pipe k, with a 3-inch stop-cock for running off the filtered solution into either of the two solution tanks, which are standing on the floor one step lower than the filter. All valves and pipes are of such a size as to secure a quick charge and discharge. The filter is provided with a gauge m, Fig.
Seite 23 - ... concentrates by agitation was preferred on account of its quicker, cheaper, and better results, as compared with percolation.