chief value of such ware not specially provided for in this section, 55 per centum ad valorem. 81. Earthy or mineral substances wholly or partially manufactured and articles and wares composed wholly or in chief value of earthy or mineral substances, not specially provided for in this section, whether susceptible of decoration or not, if not decorated in any manner, 20 per centum ad valorem; if decorated, 25 per centum ad valorem; unmanufactured carbon, not specially provided for in this section, 15 per centum ad valorem; electrodes for electric furnaces, electrolytic and battery purposes, brushes, plates, and disks, all the foregoing composed wholly or in chief value of carbon, 25 per centum ad valorem; manufactures of carbon not specially provided for in this section, 20 per centum ad valorem. 82. Gas retorts, 10 per centum ad valorem; lava tips for burners, 15 per centum ad valorem; carbons for electric lighting, wholly or partly finished, made entirely from petroleum coke, 15 cents per hundred feet; if composed chiefly of lampblack or retort carbon, 40 cents per hundred feet; carbons for flaming arc lamps, not specially provided for in this section, and filter tubes, 30 per centum ad valorem; porous carbon pots for electric batteries, 15 per centum ad valorem. 83. Plain green or colored, molded or pressed, and flint, lime, or lead glass bottles, vials, jars, and covered and uncovered demijohns, and carboys, any of the foregoing, filled or unfilled, not otherwise specially provided for in this section, and whether their contents be dutiable or free (except such as contain merchandise subject to an ad valorem rate of duty, or to a rate of duty based in whole or in part upon the value thereof which shall be dutiable at the rate applicable to their contents), 30 per centum ad valorem: Provided, That the terms bottles, vials, jars, demijohns, and carboys, as used herein, shall be restricted to such articles when suitable for use as and of the character ordinarily employed as containers for the holding or transportation of merchandise, and not as appliances or implements in chemical or other operations. 84. Glass bottles, decanters, and all articles of every description composed wholly or in chief value of glass, ornamented or decorated in any manner, or cut, engraved, painted, decorated, ornamented, colored, stained, silvered, gilded, etched, sand blasted, frosted, or printed in any manner, or ground (except such grinding as is necessary for fitting stoppers or for purposes other than ornamentation), and all articles of every description, including bottles and bottle glassware, composed wholly or in chief value of glass blown either in a mold or otherwise; all of the foregoing, not specially provided for in this section, filled or unfilled, and whether their contents be dutiable or free, 45 per centum ad valorem: Provided, That for the purposes of this Act, bottles with cut-glass stoppers shall, with the stoppers, be deemed entireties. 85. Unpolished, cylinder, crown, and common window glass, not exceeding one hundred and fifty square inches, % of 1 cent per pound; above that, and not exceeding three hundred and eighty-four square inches, 1 cent per pound; above that, and not exceeding seven hundred and twenty square inches, 1% cents per pound; above that, and not exceeding one thousand two hundred square inches, 12 cents per pound; above that, and not exceeding two thousand four hundred square inches, 1% cents per pound; above that, 2 cents per pound: Provided, That unpolished, cylinder, crown, and common window glass, imported in boxes, shall contain fifty square feet, as nearly as sizes will permit, and the duty shall be computed thereon according to the actual weight of glass. 86. Cylinder and crown glass, polished, not exceeding three hundred and eighty-four square inches, 3 cents per square foot; above that, and not exceeding seven hundred and twenty square inches, 4 cents per square foot; above that, and not exceeding one thousand four hundred and forty square inches, 7 cents per square foot; above that, 10 cents per square foot. 87. Fluted, rolled, ribbed, or rough plate glass, or the same containing a wire netting within itself, not including crown, cylinder, or common window glass, not exceeding three hundred and eighty-four square inches, 2 cent per square foot; all above that, 1 cent per square foot; and all fluted, rolled, ribbed, or rough plate glass, weighing over one hundred pounds per one hundred square feet, shall pay an additional duty on the excess at the same rates herein imposed: Provided, That all of the above plate glass, when ground, smoothed, or otherwise obscured, shall be subject to the same rate of duty as cast polished plate glass unsilvered. 88. Cast polished plate glass, finished or unfinished and unsilvered, or the same containing a wire netting within itself, not exceeding three hundred and eighty-four square inches, 6 cents per square foot; above that, and not exceeding seven hundred and twenty square inches, 8 cents per square foot; all above that, 12 cents per square foot. 89. Cast polished plate glass, silvered, cylinder and crown glass, silvered, and looking-glass plates exceeding in size one hundred and forty-four square inches, shall be subject to a duty of 1 cent per square foot in addition to the rates otherwise chargeable on such glass unsilvered: Provided, That no looking-glass plates or glass silvered, when framed, shall pay a less rate of duty than that imposed upon similar glass of like description not framed, but shall pay in addition thereto upon such frames the rate of duty applicable thereto when imported separate. 90. Cast polished plate glass, silvered or unsilvered, and cylinder, crown, or common window glass, silvered or unsilvered, polished or unpolished, when bent, ground, obscured, frosted, sanded, enameled, beveled, etched, embossed, engraved, flashed, stained, colored, painted, ornamented, or decorated, shall be subject to a duty of 4 per centum ad valorem in addition to the rates otherwise chargeable thereon. 91. Spectacles, eyeglasses, and goggles, and frames for the same, or parts thereof, finished or unfinished, 35 per centum ad valorem. 92. Lenses of glass or pebble, molded or pressed, or ground and polished to a spherical, cylindrical, or prismatic form, and ground and polished plano or coquill glasses, wholly or partly manufactured, strips of glass, not more than three inches wide, ground or polished on one or both sides to a cylindrical or prismatic form, including those used in the construction of gauges, and glass slides for magic lanterns, 25 per centum ad valorem. 93. Opera and field glasses, optical instruments and frames and mountings for the same; all the foregoing not specially provided for in this section, 35 per centum ad valorem. 94. Surveying instruments, telescopes, microscopes, photographic and projection lenses, and frames and mountings for the same, 25 per centum ad valorem. 95. Stained or painted glass windows, or parts thereof, and all mirrors, not exceeding in size one hundred and forty-four square inches, with or without frames or cases; incandescent electric-light bulbs and lamps, with or without filaments; and all glass or manufactures of glass or paste or of which glass or paste is the component material of chief value, not specially provided for in this section, 30 per centum ad valorem. 96. Fusible and glass enamel, not specially provided for in this section, 20 per centum ad valorem; opal or cylinder glass tiles or tiling, 30 per centum ad valorem. 97. Marble, breccia, and onyx, in block, rough or squared only, 50 cents per cubic foot; marble, breccia, and onyx, sawed or dressed, over two inches in thickness, 75 cents per cubic foot; slabs or paving tiles of marble or onyx, containing not less than four superficial inches, if not more than one inch in thickness, 6 cents per superficial foot; if more than one inch and not more than one and one-half inches in thickness, 8 cents per superficial foot; if more than one and one-half inches and not more than two inches in thickness, 10 cents per superficial foot; if rubbed in whole or in part, 2 cents per superficial foot in addition; mosaic cubes of marble or onyx, not exceeding two cubic inches in size, if loose, 20 per centum ad valorem; if attached to paper or other material, 35 per centum ad valorem. 98. Marble, breccia, onyx, alabaster, and jet, wholly or partly manufactured into monuments, benches, vases, and other articles, or of which these substances or either of them is the component material of chief value, and all articles composed wholly or in chief value of agate, rock crystal, or other semiprecious stones, except such as are cut into shapes and forms fitting them expressly for use in the construction of jewelry, not specially provided for in this section, 45 per centum ad valorem. 99. Freestone, granite, sandstone, limestone, lava, and all other stone suitable for use as monumental or building stone, except marble, breccia, and onyx, not specially provided for in this section, hewn, dressed, or polished, or otherwise manufactured, 25 per centum ad valorem; unmanufactured, or not dressed, hewn, or polished, 3 cents per cubic foot. 100. Grindstones, finished or unfinished, $1.50 per ton. 101. Slates, slate chimney pieces, mantels, slabs for tables, roofing slates, and all other manufactures of slate, not specially provided for in this section, 10 per centum ad valorem. SCHEDULE C-METALS AND MANUFACTURES OF. 102. Chrome or chromium metal, ferrochrome or ferrochromium, ferromolybdenum, ferrophosphorus, ferrotitanium, ferrotungsten, ferrovanadium, molybdenum, titanium, tantalum, tungsten or wolfram metal, and ferrosilicon, and other alloys used in the manufacture of steel, not specially provided for in this section, 15 per centum ad valorem. 103. Muck bars, bar iron, square iron, rolled or hammered, round iron, in coils or rods, bars or shapes of rolled or hammered iron not specially provided for in this section, 5 per centum ad valorem. 104. Beams, girders, joists, angles, channels, car-truck channels, TT, columns and posts or parts or sections of columns and posts, deck and bulb beams, sashes, frames, and building forms, together with all other structural shapes of iron or steel, whether plain, punched, or fitted for use, or whether assembled or manufactured, 10 per centum ad valorem. 105. Boiler or other plate iron or steel, and strips of iron or steel, not specially provided for in this section; sheets of iron or steel, common or black, of whatever dimensions, whether plain, corrugated or crimped, including crucible plate steel and saw plates, cut or sheared to shape or otherwise, or unsheared, and skelp iron or steel, whether sheared or rolled in grooves, or otherwise, 12 per centum ad valorem. 106. Iron or steel anchors or parts thereof; forgings of iron or steel, or of combined iron and steel, but not machined, tooled, or otherwise advanced in condition by any process or operation subsequent to the forging process, not specially provided for in this section, 12 per centum ad valorem; antifriction balls, ball bearings, and roller bearings, of iron or steel or other metal, finished or unfinished, and parts thereof, 35 per centum ad valorem. 107. Hoop, band, or scroll iron or steel not otherwise provided for in this section, and barrel hoops of iron or steel, wholly or partly manufactured, 10 per centum ad valorem. 108. Railway fishplates or splice bars made of iron or steel, 10 per centum ad valorem. 109. All iron or steel sheets, plates, or strips, and all hoop, band, or scroll iron or steel, when galvanized or coated with zinc, spelter, or other metals, or any alloy of those metals; sheets or plates composed of iron, steel, copper, nickel, or other metal with layers of other metal or metals imposed thereon by forging, hammering, rolling, or welding; sheets of iron or steel, polished, planished, or glanced, by whatever name designated, including such as have been pickled or cleaned by acid, or by any other material or process, or which are cold rolled, smoothed only, not polished, and such as are cold hammered, blued, brightened, tempered, or polished by any process to such perfected surface finish or polish better than the grade of cold rolled, smoothed only; and sheets or plates of iron or steel, or taggers iron or steel, coated with tin or lead, or with a mixture of which these metals, or either of them is a component part, by the dipping or any other process, and commercially known as tin plates, terne plates, and taggers tin, and tin plates coated with metal, and metal sheets decorated in colors or coated with nickel or other metals by dipping, printing, stenciling, or other process, 15 per centum ad valorem. 110. Steel bars, and tapered or beveled bars; mill 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; all descriptions and shapes of dry sand, loam, or iron molded steel castings, sheets, and plates; all the foregoing, if made by the Bessemer, Siemens-Martin, open-hearth, or similar processes, not containing alloys, such as nickel, cobalt, vanadium, chromium, tungsten or wolfram, molybdenum, titanium, iridium, uranium, tantalum, boron, and similar alloys, 8 per centum ad valorem; steel ingots, cogged ingots, blooms and slabs, die blocks or blanks; billets and bars and tapered or beveled bars; 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 used as substitutes for steel in the manufacture of tools; all descriptions and shapes of dry sand, loam, or iron molded castings, sheets, and plates; rolled wire rods in coils or bars not smaller than twenty one-hundredths of one inch in diameter, and steel not specially provided for in this section, all the foregoing when made by the crucible, electric, or cementation process, either with or without alloys, and finished by rolling, hammering, or otherwise, and all steels by whatever process made, containing alloys such as nickel, cobalt, vanadium, chromium, tungsten, wolfram, molybdenum, titanium, iridium, uranium, tantalum, boron, and similar alloys, 15 per centum ad valorem. 111. Steel wool or steel shavings, 20 per centum ad valorem. 112. Grit, shot, and sand made of iron or steel, that can be used as abrasives, 30 per centum ad valorem. 113. Rivet, screw, fence, nail, and other iron or steel wire rods, whether round, oval, or square, or in any other shape, and flat rods up to six inches in width ready to be drawn or rolled into wire or strips, all the foregoing in coils or otherwise, including wire rods and iron or steel bars, cold rolled, cold drawn, cold hammered, or polished in any way in addition to the ordinary process of hot rolling or hammering, not specially provided for in this section, 10 per centum ad valorem: Provided, That all round iron or steel rods smaller than twenty one-hundredths of one inch in diameter shall be classed and dutiable as wire. 114. Round iron or steel wire; wire composed of iron, steel, or other metal, except gold or silver, covered with cotton, silk, |