874 sixrY-sEvENrH concnnss. ir; GH. 356. 1922. E,§,°§,f;;'fE¤;;"& Pau. 234. Bmiéstogiles, manufactured or bound up into millstones, me giwwm. 15 er centum a v orem. . §@é°;;m& IPM:. 235. lljreestone, granite, sandstone, `limestone, lava, and all other stone suitable for use as monumental or buildinglstone, except marble, breccia,. and onyx, not specially provided for, ewn, dressed, or pohslhfed, or (ptherwise mangfgptme , 50 Ee; xgentum ad valoreén; unman acture ,ornot e , ewn,orpo s e ,15 cents percu ic foot. or-memes. Pan. 236. Grindstones, finished or unfinished, $1.75 per ton. sim. ‘ Pm. 237. Slates, slate chimney pieces, mantles, slabs for tables, roofing slates, and all other manufactures of slate, not specially provided or, 15p:r centum ad valorem. wma eysws. Pan. 238. atch crystals, 60 per centum ad valorem. h§ m;·mm_ Scnmmnn 3.—Mm·.u.s AND Mauumcrnnns or. IM- PAR. 301. Ironin igs iron kentledge spiegeleisen containing more than 1 per centum oi? carbon 75 cents pei- ton; wrought and cast scrap iron, and scrap steel, valued at not more than 7 cents per pound, 75 {M} · cents gliiton: Prpmdcd, That sp1§pleisen for the lpurposes of this Act s be an iron manganese oy containing ess than 30 per S°"P "'°" °' “°°*· centum of manganese: Promdedfurther, That nothing shall be deemed scrapéiéonncir scrapesteel expleipt secoindhand or waste or refuse iron or stee 0 y to reman acture . §"¤9_·g¤¥¥:.y;· www Pan. 302. Man,<;¥anese8<i{·1e or concentrates containing in excess of mm. 30 per centum o met 'c man anese 1 cent er ound on the metallic manganese contaiiiied t?11ereinEaEolyb<?gnu11i) ore or concentrates 35 cents per poun on the met `c mo ybdenum contained therein; tungsten ore or concentrates, 45 cents per pound on the metallic tungsten contained therein; ferromanganese containing r more than 1 per centum of carbon, 1} cents Viper pound on the metallic
m_ manganese contained therem: Promkled, hat ferromanganese for
ummm. the purposes of this Act shall be such iron manganese alloys as contain 30 per centum or more of mantganese; manganese metal, manganese snlicon, manganese boron, an ferromantganese and spiegeleisen containing not more than 1 per centmn o carbon, 1} cents per pound on the manganese contained therein and 15 per centum ad Hdymmm. valoflem; fgrromoly ldenum, metallic molybdenum, molybdenum pow er ca cium mo ybdate, and all other com ounds and allo s of molybdbnum, 50 cents per ponmd on the molybdenum conttlined 'r¤¤e¤¤¤· therem and 15 per centum ad valorem; ferrotungsten, metallic tungsten, tungsten powder, tungstic acid, and all other compounds of gungsten, 6(1 cents (per iplound og the gngsten contained theirein and 5 per cen um a v orem; erroc om1um tim sten, c romium tungsten, chromium cobalt tungsten, tungsten niclgel, and all other alloys of tungsten notcipecially provided or, 60 cents per pound on Emu ghe tiilngsten contam therein and 25 per {centum ad valorem; erros con, containing 8 per centum or more o silicon and less than 60 per centum, 2 cents per pound on the silicon contained therein; containing 60 per centum or more of silicon and less than 80 per centum, 3 cents per pound on the silicon contained therein; containing 80 per centum or moreof sihcon and less than 90 per centum, 4 cents per pound on the silicon contained therein; containing 90 per centum or more of silicon, and silicon metal, 8 cents per pound "“’°““*“”'- on the silicon contamed therein; ferrochrome or ferrochromium containing 3 per centuig 4;; more <¥ carliorn, 3} cenézs per hponmd on the c _ omium contame erein; erroc ome or erroc omium con- D md taxmng less than 3 per centum of carbon, and chrome or chromium ,,,,_°“‘€““ ““°Y’· metal, 30 per centum ad valorem; ferrophosphorus, ferrotitanium, ferrovanadium, ferrouranium, ferrozirconium, zirconiumferrosilicon,
