Practical Mining and Assaying |
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20 Grammes alumina amount of Gold antimony Arsenic ASSAY TABLE BEAD SCALE bismuth boil borax bottle brown carbon carries cent Charcoal chlorine claim clay color contained copper County Recorder cover crucible Cubic Feet cupel discovery dish dissolve feldspar flour fluxes Foot funnel galena Gold and Silver grains granite heat hornblende Horse Power inches long Intrinsic val iron lead button lime litharge magnesia manganese melted mercury metal obtained mica Miner's Inches mineral mining mixed muffle muriatic acid nearly nitric acid one-half ounces oxide oxygen Pearl ash PELTON WATER WHEEL piece pipe plates PORPHYRY pound precipitate pressure prospector pulp pulverized pyrites quartz REESE LIBRARY Revolutions rock salt schists silica sine slate soda sodium amalgam solution sometimes square inch sulphurets sulphuric acid test tube Troy TROY WEIGHTS true fissure unit of Thousands vein matter vein or lode weight zinc
Popular passages
Page 92 - The number of linear feet claimed in length along the course of the vein, each way from the point of discovery, with the width on each side of the center of the claim, and the general course of the vein or lode, as near as may be.
Page 70 - The mean pressure of the atmosphere is usually estimated at 14.7 pounds per square inch, so that with a perfect vacuum it will sustain a column of mercury 29.9 inches or a column of water 33.9 feet high at sea level. To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434.
Page 94 - The discoverer of placers or other forms of deposits subject to location and appropriation under mining laws applicable to placers shall locate his claim in the following manner : — First, he must immediately post in a conspicuous place at the point of discovery thereon, a notice or certificate of location thereof, containing (a) the name of the claim; (b) the name of the locator or locators; (c) the date of discovery and posting of the notice hereinbefore provided for, which shall be considered...
Page 71 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
Page 70 - To find the capacity of a cylinder in gallons: Multiplying the area in inches by the length of stroke in inches will give the total number of cubic inches ; divide this amount by 231 (which is the cubical contents of a gallon of water) and quotient is the capacity in gallons.
Page 93 - County in which the lode or claim is situated, a declaratory statement which shall contain: 1. The name of the lode or claim. 2. The name of the locator or locators. 3. The date of location and such description of the location of said claim with reference to some natural object or permanent monument as will identify the claim.
Page 72 - To find the velocity in feet per minute necessary to discharge a given volume of water in a given time, multiply the number of cubic feet of water by 144 and divide the product by the area of the pipe in inches.
Page 95 - Within thirty days from the date of such discovery he must record such notice or certificate of location in the office of the...
Page 92 - all records of mining claims hereafter made shall contain the name or names of the locators, the date of the location, and such a description of the claim or claims located by reference to some natural object or permanent monument as will identify the claim.
Page 95 - Within sixty days from the date of the discovery the discoverer shall perform labor upon such location or claim in developing the same to an amount which shall be equivalent in the aggregate to at least ten dollars...