GROUP 3.-SCHISTS, BITUMENS AND THEIR DERIVATIVES. In case of doubt as to the clearance of crude petroleum, the following rules shall be observed: 1. A sample of 200 cubic centimeters shall be taken from each 50 cases or less comprised in the declaration and belonging to the same kind of goods. If the oil is imported in bulk or in tanks, samples of equal quantities shall be taken from each receptacle in] which the oil is contained, sufficient to make more than two liters in all after mixing. 2. These samples shall be thoroughly mixed in a large receptacle, and when the discharge of the shipment is terminated, 2 liters are taken therefrom and put into separate bottles, which are sealed and furnished with labels signed by the customs employees and the interested party. These bottles shall be forwarded to the customs chemical expert in order to be assayed. 3. Immediately after this operation the goods shall be cleared and the corresponding duty applied, but the interested party shall always be bound by the results of the analysis, and the clearance shall not be deemed definite until that result be known. 4. The samples must be assayed within one month, and the interested party has the right to be present when the samples are opened and analyzed, provided that he has made a written request to this effect at the time of identifying the samples by affixing his signature to the labels. He may also appeal to the Collector of the Islands from the report of the experts. 5. Should the interested party in his appeal request that a new analysis be made, this operation shall be effected at his expense if the report of the experts be sustained. In contrary cases the expense shall be borne by the Government. 6. The following shall be considered: (a) As crude oil derived from the distillation of slates or schists, those obtained from first distillation having a specific gravity of from 900 to 920, at a temperature of 21 Centigrade, or, measured on a Baumé scale for fluids lighter than water, which give a reading from about 27 (corresponding to a specific gravity of about 900) to 22 (corresponding to a specific gravity of about 924). (b) As crude and natural petroleum, that imported in the state in which found when extracted from the well, and which had undergone no operation whatever, whereby the natural chemical composition is altered or modified. When gradually and continuously distilled up to a temperature of 300° C., this petroleum must leave a residuum exceeding 20 per cent of its primitive weight. 7. Tar and mineral pitch, bitumens, schists, unrefined creosote, asphalt and also asphalt paving blocks, G. W... .100 kilos.. $0.10 The customs authorities must take care that under the denomination 8. Crude oils derived from schists, including crude petroleum and axle grease .10 9. Petroleum and other mineral oils, rectified or refined, intended for illumination or lubrication, N. W..... .100 kilos.. $1.25 10. Benzine, gasoline, and mineral oils not specially mentioned, including vaseline, G. W .100 kilos.. 1.25 All mineral oils not having the properties described in paragraph (a) of Rule 6 of the rules for this group shall be considered as refined. GROUP 4.-ORES. 11. Ores other than copper, gold, and silver, G. W. GROUP 5.-CRYSTAL AND GLASS. .1,000 kilos.. .25 12. Common or ordinary hollow glassware and electrical insulators, G. W., 100 kilos.... (a) Siphons for aerated waters, G. W 13. Crystal, and glass imitating crystal: .80 .100 kilos.. 2.80 (a) Articles cut, engraved, painted, enameled, or gilt, G. W...do.... 12.00 (c) Lamp chimneys, plain or ground, not decorated, per 100 chim neys. NOTE. Decanters, glasses, tumblers, cups, goblets, saucers, plates, dishes, pitchers, bowls, candlesticks, pillar-lamps, bracket-lamps, and other articles of table service and lighting, white or colored, and statuettes, flower stands, vases, urns, and similar articles for toilet purposes or house decoration are included in this paragraph. 14. Plate glass or plate crystal: (a) Slabs for paving or roofing, G. W 5.60 .25 .100 kilos.. 1.65 (b) For windows or in other articles, provided that they are neither (d) Articles engraved or enameled, G. W 15. Mirrors and looking-glasses of glass and crystal: 4.50 .100 kilos.. 10.00 (a) Common mirrors, not exceeding 2 mm. in thickness, coated with (b) Other mirrors, not beveled, G. W. 16. Other articles and manufactures of glass: (a) Spectacles, eyeglasses, and goggles, and glasses for the same, (b) Incandescent electric lamps, mounted or not ... - per hundred.. .25 2.00 .100 kilos.. 4.00 G. W.... 100 kilos.. 8.00 Provided, that none of the articles classified under paragraphs 13 and 16 shall pay a less rate of duty than 30 per cent ad valorem, and none of the articles classified under paragraphs 12, 14, and 15 shall pay a less rate of duty than 20 per cent ad valorem, GROUP 6.-POTTERY, EARTHENWARE AND PORCELAIN. 17. Common clay: (a) In common bricks, fire bricks and squares, unglazed, for building (b) Pressed, vitrified or glazed bricks or squares, G. W.1,000 kilos. (d) In tubes or pipes, varnished, glazed or vitrified, for industrial or 18. Ceramic tiles: .60 · 10 .20 .32 (a) Varnished, vitrified, or not, plain and undecorated, G. W.100 kilos.. (b) The same, glazed, ornamented or decorated, G. W.....100 kilos.. 1. 20 19. Hollow ware, glazed or not, of clay or stoneware: (a) Household or kitchen utensils, except dishes or tableware, not gilt, .100 kilos.. (b) Dishes, tableware, or other articles, not gilt, painted or ornamented .64 .100 kilos.. 1.60 .80 (c) Flowerpots of common earthenware and common bottles of the 100 kilos.. (d) Articles, gilt, painted, or ornamented in relief, G. W..100 kilos.. 4.40 20. Faience, in dishes or hollow ware: (a) Neither painted, gilt, nor ornamented in relief, G. W..100 kilos.. 2.80 (b) Gilt, painted, or with ornaments in relief, G. W.......... 21. Porcelain, in dishes or hollow ware: (a) Neither painted, gilt, nor in relief, G. W . .100 kilos.. 6.00 (b) Painted, gilt, or with ornaments in relief, G. W Provided, that none of the articles classified under letter (b) of this paragraph shall pay a less rate of duty than 60 per cent ad valorem. 22. Porcelain, plain, in door knobs, electric insulator and similar articles not decorated, not otherwise provided for, G. W.. ..100 kilos.. 4.00 23. Statuettes, flower stands, vases, high and bas reliefs, articles for toilet purposes and house decoration, all of said articles of clay, faïence, stoneware, porcelain or bisque, G. W.. .kilo.. GROUP 7.-PRECIOUS STONES, PEARLS AND IMITATIONS OF THE SAME, UNSET. 24. Precious stones and doublets, unset: Ad valorem, 15 per cent. 25. Pearls, unset: Ad valorem 15 per cent. 26. Imitations of precious stones and of pearls, unset: Ad valorem 15 per cent. .25 CLASS II.-Metals and all manufactures in which a metal enters as a principal element. GROUP 1.-GOLD, SILVER AND PLATINUM, AND ALLOYS OF THESE METALS, AND GOLD AND SILVER PLATE. 27. Gold and platinum or alloys thereof: (a) In jewelry, plate and goldsmiths' wares, not otherwise provided .hectog..$12.50 (b) Same set with pearls or precious stones, not otherwise provided hectog.. 25.00 (c) Same set with doublets, imitation precious stones or imitation ...hectog.. 17.50 (d) Same manufactured into articles other than jewelry or plate, except .hectog.. 3.00 28. Silver: (a) In jewelry or plate and silversmiths' wares, not set with pearls or (b) In same set with pearls or precious stones, N. W .hectog.. $3.00 ....hectog.. 15.50 (c) In same set with doublets, imitation precious stones, or imitation ..hectog.. 8.00 (d) Silver manufactured into articles other than jewelry or plate, 29. Gold and silver plated wares: (a) Gold and silver plated jewelry, N. W. ...hectog.. .80 ..kilo.. 2.00 (b) Gold and silver plated wares other than jewelry, N. W.. Articles of malleable cast iron are dutiable as manufactures of wrought 31. Articles not coated or ornamented with another metal or porcelain, neither polished nor turned: (c) Articles, other, not elsewhere mentioned, G. W . (b) Lubricating boxes for railway trucks and carriages, and railway (a) Bars, beams, plates, grates for furnaces, columns and pipes, G. W. .35 32. Articles of all kinds not coated or ornamented with another metal or ..100 kilos.. 1.20 porcelain, either polished or turned, N. W....... 33. Articles of all kinds, enameled, bronze gilt, tinned or coated, or ornamented with other metals or porcelain, N. W. GROUP 3.-WROUGHT IRON AND STEEL. .100 kilos.. 2.00 34. Iron, soft or wrought, in ingots or "tochos," steel in ingots, G. W., 100 kilos. 35. Wrought iron or steel, rolled: (a) Rails, G. W.. ...100 kilos.. (b) Bars and beams, neither perforated, riveted, with screws, nor cut .100 kilos.. The rods in question are iron or steel rods exceeding eight millimeters in thickness employed in the manufacture of iron wire. (c) The same, of crucible steel, G. W .24 .30 .60 .100 kilos.. 1.05 Crucible steel is distinguishable from bar and other pieces of iron or common steel by its sharp edges. The surface is very smooth, of a bluish color darker than that of iron and its fracture is close grained. (This steel is generally imported in round, triangular, square, octagonal or flat bars.) 36. Wrought iron and steel sheets, rolled: (a) Neither polished nor tinned of 3 millimeters and more in thick- (b) Neither polished nor tinned of less than 3 millimeters in thick- By hoop iron (fleges) shall be understood unpolished, flat bands or (c) Tinned and tin plate, G. W. 37. Wrought iron or steel: Cast in pieces in the rough, neither polished, turned, nor adjusted, weighing each (a) 25 kilos or more, G. W.. (b) Less than 25 kilos, G. W. 38. Wrought iron or steel cast in pieces, finished: .100 kilos.. $0.75 .100 kilos.. 1.00 (a) Wheels weighing more than 100 kilograms, fish-plates, chairs, .100 kilos.. (b) Wheels weighing 100 kilograms or less; springs other than for 39. Wrought iron or steel pipes: (a) Covered with sheet brass, G. W (b) Other, galvanized or not, G. W 40. Wrought iron or steel wire, galvanized or not: (a) 2 mm. or more in diameter, N. W... .45 1.05 (b) More than half and less than 2 mm. in diameter, N. W.100 kilos.. 1.00 (c) .100 kilos.. 1.40 41. Wrought iron or steel in large pieces, composed of bars or bars and sheets fastened by means of rivets or screws; the same, unriveted, perforated, or cut to measure for bridges, frames and other buildings, G. W.100 kilos.. 1.00 42. Anchors, iron or steel plates for vessels, chains for vessels or machines, moorings, switches and signal disks, G. W.. 43. Anvils, G. W 44. Wire gauze: (a) Up to 40 threads per square inch, N. W (b) Of 40 threads or more per square inch, N. W .100 kilos.. .50 .100 kilos.. 1.75 .100 kilos.. 1.75 .kilo.. .04 .75 45. Cables, fencing (barbed wire), netting; furniture springs, N. W.100 kilos.. (a) Fine, for arts, trades and professions, partly or wholly of crucible (b) Other, N. W 100 kilos.. 5.00 .100 kilos.. 1.50 Provided, that none of the articles classified under this paragraph shall pay a less rate of duty than 15 per cent. ad valorem. 47. Screws, nuts, bolts, washers, and rivets, N. W.. 48. Nails, clasp nails, tacks and brads, N. W 49. Saddlery hardware: .100 kilos.. 2.00 .100 kilos.. 1.00 (a) Common, made of iron or steel, common bits, spurs, and all finishes .100 kilos.. 3.00 (b) The same ornamented, nickeled or covered with other mate- 50. Buckles, not gold or silver plated: (a) Bronze gilt, silvered or nickeled, N. W.. 53. Crochet hooks and the like, hairpins, N. W. cheese, plumbers', and painters' knives, with wood handles, |