FIFTY-FIRST CONGRESS. Sess. I. Ch. 1244. 1890. 573 five cents per uare foot; above that, and not exceedin S°¤°“·” B· twenty-four byslthirty inches square, eight cents per squarg wimigtgéghgdgég foot; above t at, and not exceeding twenty-four by sixty °°““““°°‘ inches square, twenty-five cents per square Foot ; all above that, fifty cents per square foot. 116. Cast polished plate-glass, silvered, and looking-glass plates, not exceeding sixteen by twenty-four inches square, six cents per square foot; above that, and not exceeding twenty-four y thirty inches sqluare, ten cents r square foot; above that, and not excee ing twenty-fourb sixty inches square, thirty-five cents per square foot; all above that, sixty cents per square foot. 117. But no looking-glass plates, or plate-glass silvered, when _ framed, shallpay a less rate of duty than that imposed upon similar glass of ike description not framed, but shall pay in addition thereto upon such frames the rate of duty applicable thereto when imported separate. 118. Cast polished plate-glass, silvered or unsilvered, and cylinder, crown, or common window-glass, when ground, obscured, frosted, sanded, enameled, beveled, etched, embossed, engraved, stained, colored, or otherwise ornamented or decorated, shall be subject to a duty of ten r centum ad valorem in addition to the rates otherwise chargeable thereon. 119. Spectacles and eyeglasses, or spectacles and eyeglass-frames, sixty per centum ad valorem. 120. On lenses costing one dollar and fifty cents per gross pairs, or less, sixty per centum ad valorem. 121. Spectacle and eyeglass lenses with their ed es ground or beveled to fit frames, sixty per centum ad valorem. 122. All stained or painted window-glass and stained or painted glass windows, and hand, pocket, or ta le mirrors not exceeding in size one hundred and forty-four square inches, with or without frames or cases, of whatever material composed, lenses of glass or ebble, wholly or partly manufactured, an not specially provided tor in this act, and fusible enamel, forty-five per centum ad valorem. MARBLE AND STONE, AND MANUFAGTURES on-- tgnmm and sum, 123. Marble of all kinds in block, rough or squared, sixty-five cents ° ' r cubic foot. 124. Vlefined marble, sawed, dressed, or otherwise, including marble slabs and marble paving-tiles, one dollar and ten cents per cubic foot (but in measurement no slab shall be comuted at less than one inch in thickness). 125. Nfanufactures of marble not specially provided for in this act, fifty per centum ad valorem. Sronm- 126. Burr-stoues manufactured or bound up into mill-stones, nfteen per centum ad valorem. 127. Freestone, granite, sandstone, limestone, and other building or monumental stone, except marble, unmanufactured or undressed, not specially provided for in this act, eleven cents er cubic foot. 128. Flieestone, granite, sandstone, limestone, and other building or monumental stone, except marble, not specially provide for in this act, hewn, dressed, or polished, forty per centum ' ad valorem. 129. Grindstones, finished or unfinished, one dollar and seventy- Iive cents per ton. SLA·rm—- SIM- 130. Slates, slate chimney-pieces, mantels, slabs for tables, and all other manufactures of slate, not specially provided for in this act, thirty per centum ad valorem. 131. Roofing slates, twenty-five per centum ad valorem.
