Mineral Resources of the United StatesU.S. Government Printing Office, 1883 |
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Página 19
... .. do ... do 6 Hazleton No. 6 .. .... do .do 4 Cranberry .. do .do 6 East Crystal Ridge .. ... do do 6 Sugar Loaf ... ..do ... do 6 South Sugar Loaf .. .do ..do No. of inspector's district . Name of colliery , 1882 COAL . 19.
... .. do ... do 6 Hazleton No. 6 .. .... do .do 4 Cranberry .. do .do 6 East Crystal Ridge .. ... do do 6 Sugar Loaf ... ..do ... do 6 South Sugar Loaf .. .do ..do No. of inspector's district . Name of colliery , 1882 COAL . 19.
Página 258
... crystals of copper carbonate , rich enough in iron and poor enough in copper to be used as an iron ore ; then follows a layer of variable thickness , either of what is called black oxide , but is in reality an oxysulphuret , or of an ...
... crystals of copper carbonate , rich enough in iron and poor enough in copper to be used as an iron ore ; then follows a layer of variable thickness , either of what is called black oxide , but is in reality an oxysulphuret , or of an ...
Página 274
... crystals . Formerly old sheet - copper was the source of most of the blue vitriol ; but of late , both in Europe and in this country , sil- ver - bearing copper matte , concentrated until almost all the iron has been eliminated , and ...
... crystals . Formerly old sheet - copper was the source of most of the blue vitriol ; but of late , both in Europe and in this country , sil- ver - bearing copper matte , concentrated until almost all the iron has been eliminated , and ...
Página 279
... crystal- line powder , uncontaminated by any impurity which the solution may contain ; and an equivalent of free acid is generated for every equiva- lent of copper reduced . In practice the separation of the copper in this insoluble ...
... crystal- line powder , uncontaminated by any impurity which the solution may contain ; and an equivalent of free acid is generated for every equiva- lent of copper reduced . In practice the separation of the copper in this insoluble ...
Página 301
... crystals of bluestone to form on the bottoms and sides of the crystallizers , from which they can readily be removed in large cakes requiring to be simply loosened with a bar - chisel . Boards and sacking are used to cover the ...
... crystals of bluestone to form on the bottoms and sides of the crystallizers , from which they can readily be removed in large cakes requiring to be simply loosened with a bar - chisel . Boards and sacking are used to cover the ...
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Términos y frases comunes
alloy amount anthracite antimony average barrels beds bituminous coal bullion California carbon Carolina Carroll county cement cents per pound chalcopyrite charge clay coal field Coal Measures cobalt coke color Colorado Company containing copper cost creek crystals cupola deposits district eastern estimated exports extensive feet fire-clay flasks following table fuel furnace galena gems gold Grafton county Gross tons heat hematite important inches industry iron Jersey Lake lead lime limestone Limonite localities Madison county manganese manufacture marl matte metal miles mineral mines Missouri mountain Nevada nickel obtained occurs Ohio output oxide Pacific Pennsylvania phosphate plates present production pyrites quarries quartz quicksilver railroad refining region reported river roasting rock Saint salt San Francisco sandstone seams siliceous silver slag small quantities smelting solution South spelter steel stone sulphate sulphide sulphuric acid supply surface thick tion Total United valley vats vein Virginia West western York zinc
Pasajes populares
Página 785 - Articles the growth, produce, and manufacture of the United States, when returned after having been exported, without having been advanced in value or improved in condition by any process of manufacture or other means...
Página 778 - ... advanced in value or condition by refining or grinding, or by other process of manufacture, and not specially provided for in this act, ten per centum ad valorem.
Página 781 - ... shafting; pressed, sheared, or stamped shapes, not advanced in value or condition by any process or operation subsequent to the process of stamping; hammer molds or swaged steel; gun-barrel molds not in bars; alloys...
Página 782 - Old copper, fit only for remanufacture, clippings from new copper, and all composition metal of which copper is a component material of chief value, not specially provided for in this act, one cent per pound.
Página 781 - ... tools ; all descriptions and shapes of dry sand, loam, or iron-molded steel castings; sheets and plates and...
Página 779 - ... per square foot; above that, and not exceeding twenty-four by thirty inches square, one and one-fourth cents per square foot...
Página 786 - Philosophical and scientific apparatus, instruments and preparations ; statuary, casts of marble, bronze, alabaster, or plaster of Paris ; paintings, drawings, and etchings, specially imported in good faith for the use of any society or institution incorporated or established for religious, philosophical, educational, scientific, or literary purposes, or for encouragement of the fine arts, and not intended for sale.
Página 787 - ... shall be given under such rules and regulations as the Secretary of the Treasury may prescribe, for the payment of lawful duties which may accrue should any of the articles aforesaid be sold...
Página 786 - The same be specially imported, in good faith, for the use -of any society incorporated or established for philosophical, literary or religious purposes, or for the encouragement of the fine arts, or for the use or by the order of any college, academy, school, or seminary of learning in the United States...