dental instruments, and parts thereof, composed wholly or in part of iron, steel, copper, brass, nickel, aluminum, or other metal, finished or unfinished, 35 per centum ad valorem: Provided, That all articles specified in this paragraph, when imported, shall have the name of the maker or purchaser and beneath the same the name of the country of origin die sunk conspicuously and indelibly on the outside, or if a jointed instrument on the outside when closed.

PAR. 360. Philosophical, scientific, and laboratory instruments, apparatus, utensils, appliances (including drawing, surveying, and mathematical instruments), and parts thereof, composed wholly or in chief value of metal, and not plated with gold, silver, or platinum, finished or unfinished, not specially provided for, 40 per centum ad valorem: Provided, That all articles specified in this paragraph, when imported, shall have the name of the maker or purchaser and beneath the same the name of the country of origin die sunk conspicuously and indelibly on the outside, or if a jointed instrument on the outside when closed.

PAR. 361. Pliers, pincers, and nippers of all kinds, finished or unfinished, 60 per centum ad valorem: Provided, That all articles specified in this paragraph, when imported, shall have the name of the maker or purchaser and beneath the same the name of the country of origin die sunk conspicuously and indelibly on the outside of the joint.

PAR. 362. Files, file blanks, rasps, and floats, of whatever cut or kind, two and one-half inches in length and under, 25 cents per dozen; over two and one-half and not over four and one-half inches in length, 47 cents per dozen; over four and one-half and under seven inches in length, 62 cents per dozen; seven inches in length and over, 77 cents per dozen.

PAR. 363. Sword blades, and swords and side arms, irrespective of quality or use, wholly or in part of metal, 50 per centum ad valorem. PAR. 364. Muzzle-loading muskets, shotguns, rifles, and parts thereof, 25 per centum ad valorem.

PAR. 365. Double or single barreled breech-loading and repeating shotguns, rifles, and combination shotguns and rifles, valued at not more than $5 each, $1.50 each; valued at more than $5 and not more than $10 each, $4 each; valued at more than $10 and not more than $25 each, $6 each; valued at more than $25 each, $10 each; and in addition thereto, on all of the foregoing, 45 per centum ad valorem; barrels for breech-loading and repeating shotguns and rifles, further advanced in manufacture than rough bored only, $4 each; stocks for breech-loading shotguns and rifles, wholly or partly manufactured, $5 each; and in addition thereto, on all of the foregoing, 50 per centum ad valorem; on all parts of such guns or rifles, and fittings for such stocks or barrels, finished or unfinished, 55 per centum ad valorem: Provided, That all breech-loading shotguns and rifles imported without a lock or locks or other fittings shall be subject to a duty of $10 each and 55 per centum ad valorem.

PAR. 366. Pistols: Automatic, magazine, or revolving, and parts thereof and fittings therefor, valued at not more than $4 each, $1.25 each; valued at more than $4 and not more than $8 each, $2.50 each; valued at more than $8 each, $3.50 each; and in addition thereto, on all of the foregoing, 55 per centum ad valorem.

PAR. 367. Watch movements, whether imported in cases or otherwise, assembled or knocked down, if having less than seven jewels, 75 cents each; having seven and not more than eleven jewels, $1.25 each; having more than eleven and not more than fifteen jewels, $2 each; having more than fifteen and not more than seventeen jewels, unadjusted, $2.75 each; having seventeen jewels and adjusted to temperature, $3.50 each; having seventeen jewels and adjusted to three positions, $4.75 each; having seventeen jewels and adjusted to five positions, $6.50 each; having more than seventeen jewels, adjusted or unadjusted, $10.75 each; watchcases and parts of watches, chronometers, box or ship, and parts thereof, 45 per centum ad valorem; all jewels for use in the manufacture of watches, clocks, meters, or compasses, 10 per centum ad valorem; enameled dials for watches or other instruments, 3 cents per dial and 45 per centum ad valorem: Provided, That all watch and clock dials, whether attached to movements or not, when imported shall have indelibly painted or printed thereon the name of the country of origin, and that all watch movements and plates, assembled or knocked down, and cases shall have the name of the manufacturer or purchaser and the country of manufacture cut, engraved, or die sunk conspicuously and indelibly on the plate of the movement and the inside of the case, respectively, and the movement and plates shall also have marked thereon by one of the methods indicated the number of jewels and adjustments, said numbers to be expressed both in words and in Arabic numerals, and if the movement is not adjusted, the word "unadjusted" shall be marked thereon by one of the methods indicated, and none of the aforesaid articles shall be delivered to the importer unless marked in exact conformity to this direction: Provided further, That only the number of the jewels which serve a mechanical purpose as frictional bearings shall be marked as herein provided.

PAR. 368. Clocks and clock movements, including lever clock movements, and clockwork mechanisms, cased or uncased, whether imported complete or in parts, and any device or mechanism having an essential operating feature intended for measuring time, distance, or fares, or the flowage of water, gas, electricity, or similar uses, or for regulating or controlling the speed of arbors, drums, disks, or similar uses, or for recording, indicating, or performing any operation or function at a predetermined time or times, any of the foregoing whether wholly or partly complete or knocked down (in which condition they shall be appraised at the valuation of the complete article); cases and casings for clockwork mechanisms imported separately; all the foregoing, 45 per centum ad valorem; and in addition thereto, upon any of the foregoing articles or parts thereof, having jewels, but not more than two jewels, in the escapement, $1 each; having more than two but not more than four jewels, $2 each; having more than four jewels, $4 each; if without jewels in the escapement and valued at not over $1.10 each, 35 cents each; valued at more than $1.10 and not more than $2.25 each, 70 cents each; valued at more than $2.25 but not more than $5 each, $1 each; valued at more than $5 but not more than $10 each, $2 each; valued at more than $10 each, $3 each; all parts and materials for use in any of the foregoing if imported separately, and not specially provided for, 50 per centum ad valorem: Provided, That all dials, whether attached to movements or not, when imported, shall have indelibly painted, printed, or stamped thereon

the name of the country of origin, and the front or back plate of the movement frame of any of the foregoing when imported shall have the name of the maker or purchaser, the name of the country where manufactured, and the number of jewels, if any, indelibly stamped on the most visible part of same; but if such markings are in whole or in part sufficiently similar to the trade name or trade-mark of an established American manufacturer as to be liable to deceive the user in the United States, entry thereof shall be denied if such trade name or trade-mark has been placed on file with the collector of customs.

PAR. 369. Automobiles, automobile bodies, automobile chassis, motor cycles, and parts of the foregoing, not including tires, all of the foregoing whether finished or unfinished, 25 per centum ad valorem: Provided, That if any country, dependency, province, or other subdivision of government imposes a duty on any article specified in this paragraph, when imported from the United States, in excess of the duty herein provided, there shall be imposed upon such article, when imported either directly or indirectly from such country, dependency, province, or other subdivision of government, a duty equal to that imposed by such country, dependency, province, or other subdivision of government on such article imported from the United States, but in no case shall such duty exceed 50 per centum ad valorem.

PAR. 370. Airplanes, hydroplanes, motor boats, and parts of the foregoing, 30 per centum ad valorem.

PAR. 371. Bicycles, and parts thereof, not including tires, 30 per centum ad valorem: Provided, That if any country, dependency, province, or other subdivision of government imposes a duty on any article specified in this paragraph, when imported from the United States, in excess of the duty herein provided, there shall be imposed upon such article, when imported either directly or indirectly from such country, dependency, province, or other subdivision of government, a duty equal to that imposed by such country, dependency, province, or other subdivision of government on such article imported from the United States, but in no case shall such duty exceed 50 per centum ad valorem.

PAR. 372. Steam engines and steam locomotives, 15 per centum ad valorem; sewing machines, and parts thereof, not specially provided for, valued at not more than $75 each, 15 per centum ad valorem; valued at more than $75 each, 30 per centum ad valorem; cash registers, and parts thereof, 25 per centum ad valorem; printing presses, not specially provided for, lawn mowers, and machine tools and parts of machine tools, 30 per centum ad valorem; embroidery machines, including shuttles for sewing and embroidery machines, lace-making machines, machines for making lace curtains, nets and nettings, 30 per centum ad valorem; knitting, braiding, lace braiding, and insulating machines, and all other similar textile machinery or parts thereof, finished or unfinished, not specially provided for, 40 per centum ad valorem; all other textile machinery or parts thereof, finished or unfinished, not specially provided for, 35 per centum ad valorem; cream separators valued at more than $50 each, and other centrifugal machines for the separation of liquids or liquids and solids, not specially provided for, 25 per centum ad valorem; combined adding and typewriting machines, 30 per centum ad valorem; al]

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other machines or parts thereof, finished or unfinished, not specially. provided for, 30 per centum ad valorem: Provided, That machine tools as used in this paragraph shall be held to mean any machine operating other than by hand power which employs a tool for work on metal.

PAR. 373. Shovels, spades, scoops, scythes, sickles, grass hooks, corn knives, and drainage tools, and parts thereof, composed wholly or in chief value of iron, steel, lead, copper, brass, nickel, aluminum, or other metal, whether partly or wholly manufactured, 30 per centum ad valorem.

PAR. 374. Aluminum, aluminum scrap, and alloys of any kind in which aluminum is the component material of chief value, in crude form, 5 cents per pound; in coils, plates, sheets, bars, rods, circles, disks, blanks, strips, rectangles, and squares, 9 cents per pound.

PAR. 375. Metallic magnesium and metallic magnesium scrap, 40 cents per pound; magnesium alloys, powder, sheets, ribbons, tubing, wire, and all other articles, wares, or manufactures of magnesium, not specially provided for, 40 cents per pound on the metallic magnesium content and 20 per centum ad valorem.

PAR. 376. Antimony, as regulus or metal, 2 cents per pound; needle or liquated antimony, one-fourth of 1 cent per pound. PAR. 377. Bismuth, 7 per centum ad valorem.

PAR. 378. Cadmium, 15 cents per pound.

PAR. 379. Metallic arsenic, 6 cents per pound.

PAR. 380. German silver, or nickel silver, unmanufactured, 20 per centum ad valorem; nickel silver sheets, strips, rods, and wire, 30 per centum ad valorem.

PAR. 381. Copper in rolls, rods, or sheets, 2 cents per pound; copper engravers' plates, not ground, and seamless copper tubes and tubing, 7 cents per pound; copper engravers' plates, ground, and brazed copper tubes, 11 cents per pound; brass rods, sheet brass, brass plates, bars, and strips, Muntz or yellow metal sheets, sheathing, bolts, piston rods, and shafting, 4 cents per pound; seamless brass tubes and tubing, 8 cents per pound; brazed brass tubes, brass angles and channels, 12 cents per pound; bronze rods and sheets, 4 cents per pound; bronze tubes, 8 cents per pound.

PAR. 382. Aluminum or tin foil less than six one-thousandths of an inch in thickness, 35 per centum ad valorem; bronze powder, 14 cents per pound; aluminum powder, powdered foil, powdered tin, brocades, flitters, and metallics, manufactured in whole or in part, 12 cents per pound; bronze, or Dutch metal, or aluminum, in leaf, 6 cents per one hundred leaves. The foregoing rate applies to leaf not exceeding in size the equivalent of five and one-half by five and one-half inches; additional duties in the same proportion shall be assessed on leaf exceeding in size said equivalent.

PAR. 383. Gold leaf, 55 cents per one hundred leaves. The foregoing rate applies to leaf not exceeding in size the equivalent of three and three-eighths by three and three-eighths inches; additional duties in the same proportion shall be assessed on leaf exceeding in size said equivalent.

PAR. 384. Silver leaf, 5 cents per one hundred leaves.

PAR. 385. Tinsel wire, made wholly or in chief value of gold, silver, or other metal, 6 cents per pound and 10 per centum ad valorem; lame or lahn, made wholly or in chief value of gold, silver, or other

metal, 6 cents per pound and 20 per centum ad valorem; bullions and metal threads made wholly or in chief value of tinsel wire, lame or lahn, 6 cents per pound and 35 per centum ad valorem; beltings, toys, and other articles made wholly or in chief value of tinsel wire, metal thread, lame or lahn, or of tinsel wire, lame or lahn and india rubber, bullions, or metal threads, not specially provided for, 45 per centum ad valorem; woven fabrics, ribbons, fringes, and tassels, made wholly or in chief value of any of the foregoing, 55 per centum ad valorem. PAR. 386. Quicksilver, 25 cents per pound: Provided, That the flasks, bottles, or other vessels in which quicksilver is imported shall be subject to the same rate of duty as they would be subjected to if imported empty.

PAR. 387. Azides, fulminates, fulminating powder, and other like articles not specially provided for, 12 cents per pound.

PAR. 388. Dynamite and other high explosives, put up in sticks, cartridges, or other forms, suitable for blasting, 14 cents per pound. PAR. 389. New types, 20 per centum ad valorem.

PAR. 390. Nickel oxide, 1 cent per pound; nickel, and nickel alloy of any kind in which nickel is the component material of chief value, in pigs or ingots, shot, cubes, grains, cathodes, or similar forms, 3 cents per pound; in bars, rods, plates, sheets, strips, strands, castings, wire, tubes, tubing, anodes, or electrodes, 25 per centum ad valorem; and in addition thereto, on all of the foregoing, if cold rolled, cold drawn, or cold worked, 10 per centum ad valorem.

PAR. 391. Bottle caps of metal, collapsible tubes, and sprinkler tops, if not decorated, colored, waxed, facquered, enameled, lithographed, electroplated, or embossed in color, 30 per centum ad valorem; if decorated, colored, waxed, lacquered, enameled, lithographed, electroplated, or embossed in color, 45 per centum ad

valorem.

PAR. 392. Lead-bearing ores and mattes of all kinds, 1 cents per pound on the lead contained therein: Provided, That such duty shall not be applied to the lead contained in copper mattes unless actually recovered: Provided further, That on all importations of lead-bearing ores and mattes of all kinds the duties shall be estimated at the port of entry and a bond given in double the amount of such estimated duties for the transportation of the ores or mattes by common carriers bonded for the transportation of appraised or unappraised merchandise to properly equipped sampling or smelting establishments, whether designated as bonded warehouses or otherwise. On the arrival of the ores or mattes at such establishments they shall be sampled according to commercial methods under the supervision of Government officers, who shall be stationed at such establishments, and who shall submit the samples thus obtained to a Government assayer, designated by the Secretary of the Treasury, who shall make a proper assay of the sample and report the result to the proper customs officers, and the import entries shall be liquidated thereon. And the Secretary of the Treasury is authorized to make all necessary regulations to enforce the provisions of this paragraph. PAR. 393. Lead bullion or base bullion, lead in pigs and bars, lead dross, reclaimed lead, scrap lead, antimonial lead, antimonial scrap lead, type metal, Babbitt metal, solder, all alloys or combinations of lead not specially provided for, 2 cents per pound on the lead contained therein; lead in sheets, pipe, shot, glazier's lead, and lead wire, 23 cents per pound.