SIXT Y-FIRST CONGRESS. Sess. I. Ch. 6. 1909. 73 shall be made, under general re lations to be rescribed by the F“” L'“"‘°°“*"’· Secretary of the Treasury, but tie exemption of) bags from duty shall apply only to such domestic bags as may be imported by the exporter thereof, and if any such articles are subject to internalrevenue tax at the time of exportation, such tax shall be proved to have been paid before exportation and not refunded; photographic P¤¤*·>¤¤1>hi<= mm dry plate or Elms of American manufacture (except moving-pgs ture films), exposed abroad, whether developed or not, and fi s from moving—p1cture machines, light struck or otherwise damaged, or worn out, so as to be unsuitab e for any other urpose than the recovery of the constituent materials, provided thelbasic iilms are of American manufacture, but lproof of the identity of such articles shall be made under genera regulations to be prescribed b the Secretary of the Treasury: Provided, That this {paragraph shah not {,"Q;"_§;°,‘{;,,,,,_ apply to any article upon which an allowance o drawback has been made, the reimportation of which is hereby uprohibited except upon ” payment of duties equal to the drawbacks a owed; or to any article manufactured in bonded warehouse and exported under any provision of law: And provided further, That when manufactured to- ’1`¤b¤¢°°·*°b¤¤¤*=$*· bacco which has been exported without payment of internal-revenue tax shall be reimported it shall be retained in the custody of the collector of customs imtil internal-revenue stamps in payment of the legal duties shall be placed thereon. 501. Asbestos, unmanufactured. 502. Ashes, wood and lye of, and beet-root ashes. 503. Asafetida. 504. Balm of Gilead. 505. Barks, cinchona or other from which quinine may be extracted. 506. Beeswax. 507. Binding twine: All binding twine manufactured from New Bi¤d*¤8 °W*¤¤- Zealand hemp, manila, istle or Tampico fiber, sisal ass, or sunn, or a mixture of any two or more of them, of single plgr and measuring not exceeding six hundred feet to the pound: rovidred, That articles {,*;*;;*;*;,0,, mentioned in this paragraph, if imported from a country which lays ' an import duty on like articles imported from the United States, shall be subject to a duty of one·hal of one cent tper pound. 508. Bells, broken, and bell metal broken and t only to be remanufactured. 509. Birds, stuffed, not suitable for millinery ornaments. 510. Birds and land and water fowls. 511. Bismuth. 512. Bladders, and all integuments, tendons and intestines of animals and fish sounds, crude, dried or salted for preservation only, and unmanufactured, not specially provided for in this section. 513. Blood, dried, not specially provided for in this section. 514. Bolting cloths composed of silk, imported expressly for milling purposes, and so permanently marked as not to be available for any other use. 515. Bones, crude, or not burned, calcined, ground, steamed, or otherwise manufactured, and bone dust or animal carbon, and bone ash, fit only for fertilizing purposes. 516. Books, engravings, photographs, etchings, bound or unbound, B°°k" °*°‘ maps and charts imported by authority or for the use of the United States or for the use of the Library of Congress. 517. Books, maps, music, en avings photographs, etchings, bound or unbound, and charts, wlgiich shall have been rinted more than twenty years at the date of importation, and all Eydrographic charts, and publications issued for their subscribers or exchanges by scientific and literary associations or academies, or publications of
