Potassium salts-Continued.

Sulfate of potassium.

Sulfate of potassium magnesia.

Nitrate of calcium.

Bone meal, also broken and coarse ground bone.

Bone meal treated with acids.

Superphosphates (raw phosphate, guano, bone meal, treated with acids), even mixed with other substances, as: Ammonia superphosphate.

Acetates, as: Barium acetate, acetate and pyrolignite of lead (lead sugar), acetate of potassium, acetate and pyrolignite of lime, acetates of vegetable alkaloids, acetate of copper (verdigris), acetate of sodium, acetate of allumina, acetate of tin.

Gaultheria (wintergreen) oil, artificial
(salicylic acid) methylether.
Ashes of incandescent-light mantles.
Golden sulphid (pentasulfid of antimony).

g. Other chemical products.

Cuctings from incandescent-light mantles. Alums, as: Chrome, iron, copper, alum; allumina alums (ammonia, potassium, sodium alum); so-called concentrated alum.

Formic acid.

Formic acid salts (formiates), as: Ammonia formiate, sodium formiate, allumina formiate.

Ammonia, anhydrous, condensed (liquified) of No. 379 of the tariff.

Ammoniacal liquor (gas water), even condensed of No. 271 of the tariff.

Argon of No. 379b of the statistical goods list.

Barium compounds:

Barium (baryta) colors. (See herein

before under d. 2 b.)

Barium chlorid and other baryta salts. Barium oxid, barium superoxid, and other barium compounds.

Bauxite, purified (unpurified, see Section XV).

Sugar of lead (acetate and pyrolignite of lead), lead vinegar.

Boric acid and borax (borate of sodium), of No. 275 of the tariff. Calcium carbid.

Centralite I and II (I=diethyldiphenylcarbamid, II-dimethyldiphenylcarbamid).

Cerium (cerium metal).

Cerium nitrate.

Cerium oxid sulfate (cerisulfate).
Cerium oxidul sulfate (cerosulfate).
Cerium salt solution (impregnating fluid).
Chlorin, condensed (liquified) in bottles
and tank wagons, of No. 379b of the sta-
tistical goods list.
Magnesium chlorid.
Sulfur chlorid.

Potassium cyanid.

Sodium cyanid.

Colophonic acid salts (resinates), as: Resinate of lead, resinate of lead manganese, resinate of copper, resinate of magnesium, resinate of manganese. Wood alcohol (methyl alcohol), refined. Potassium bichromate.

Potassium chromate.

Potassium hydroxid (caustic potash),
solid and liquid (caustic lye).
Potassium manganate.
Potassium permanganate.

Potassium salts not elsewhere mentioned,
and products therefrom.
Citrate of lime.

Cobalt oxid.

Collodium liquid (liquid in which to dip incandescent-light mantles).

Sulfate of copper.

Solution of thorium and cerium salts (impregnating fluid) of No. 317s of the statistical goods list.

Magnesia, carbonate, artificial.

Malonic acid and its compounds (malonic acid ether, diethyl malonic acid ether, etc.).

Lactic acid.

Sodium bichromate, sodium bicarbonate, sodium chromate.

Sodium carbonate. (See Soda.)
Nickel oxid.

Sulfate of nickel.

Oleates, linoleates, as: Linoleate of lead, linoleate of lead manganese, oleate of magnesia, manganoxydul (oleate of manganese). Oxalic acid. Phosphorus.

Phosphate of lime.

Phosphorus sulfids.

Potash (potassium carbonate, also potassium bicarbonate).

Pyridin bases.

Chlorid of ammonia.

Liquid ammonia, spirit of ammonia,

spirit of hartshorn.

Nitric acid.

Nitro-muriatic acid.

Nitrates: Of ammonia, of barium, of lead,

of calcium, of cerium, of potassium, of sodium, of thorium, of allumina.

Field kitchens. Field forges.

Warships of all kinds. Sanitary wagons.

sodium.

Hydrochloric acid.

Sulfur.

Bisulfid of carbon.

Sulfid of sodium.

Sulfuric acid.

Sulfuric acid anhydrid (sulfur trioxid). Sulfates: Of ammonia, of anilin, of barium, of cerium (cerisulfate, cerosulfate), of iron (sulfate and protosulfate), of potassium, of copper, of magnesium, of sodium (glauber salts), of vegetable alkaloids, of thorium, of allumina, of zinc. Sulfurous acid.

Sulfites of: Potassium, calcium, magnesium, sɔdium, allumina.

Soda (carbonate of sodium); bleaching soda; boiler scale remedies containing soda; caustic soda, solid or liquid. Sulfuryl chlorid.

Thorium.

Thorium nitrate, thorium sulfate.

uid).

Allumina, artificial.

Allumina hydrate.

Roller composition for printer's rollers.
Hydrogen gas.

Bismuth salts and other bismuth compounds (except powders and rouges), as: Basic gallate of bismuth, salicylate of bismuth, nitrate of bismuth.

Tin oxid, stannic acid, tin ashes or refuse of No. 301 of the tariff. Stannates and other tin compounds of Nos.

309 and 317r of the statistical goods list, as: Acetate of tin, chlorid of tin (tin butter, tin salt), ammoniacal chlorid of tin (pink salt), stannate of sodium.

Kites.

Aeroplanes (monoplanes, biplanes, etc.).
Aeroplane hangars and tents.
Airships.

Airship sheds.

Parts of aerial craft and hangars, and appurtenances, as:

Aeronautical instruments.

Driving gear (crank shafts, etc.).
Cotton fabric, rubberized, for balloon

covers.

Benzine tanks.

Free balloon covers.
Skids.

Elevating controls.
Cover fabrics.

Fuselages for aeroplanes.
Motors.

Nets for free balloons.

Propellers, propeller blades.
Searchlights.

Searchlight carbons.

Silk fabrics, varnished, for balloon

covers.

Longitudinal controls.
Steel tubing.
Steering planes.

Control levers.

Hydrogen gas.
Cells.

Cell fabric.

Tenting cloth.

Electric machines:

Armatures, completed.
Choking coils.
Dynamo machines.
Electromoters.

Storage batteries, completed.
Transformers.
Converters.

Flat and round knitting machines up
to No. 10, inclusive.

Hammers, mechanical (falling, airpressure, spring hammers and other hammers driven by power transmission), and parts thereof. Machines for producing wood pulp. Long-arm quilting machines with arm over 50 cm. long.

Locomotives (steam), running on rails (locomotives with and without tenders, locomotive tenders) or not running on rails; parts thereof.

Machines for working metals, wood, or
stone (machine tools), and parts thereof.
Riveting machines and parts thereof.
Paper-making machines.

Machines for filling cartridges.

Powder-making machines.

Machines for nailing soles.

Machines for sewing soles, not with chain stitch.

Machines for producing explosives.

Barb wire machines and parts.

Machines for making buttonholes in cloth.

Internal combustion motors (except horizontal).

VII. ELECTROTECHNICAL PRODUCTS AND

REQUISITES.

Frames.

Tires.

Saddles.

Saddle posts.

Hinges.

Inner tubes.

Protective plating.

Protective covers for tires.

Spokes.

Steel balls.

Pedal cranks.

Crown wheels.

Sprocket wheels.

Tension rods.

(f) Ladders, transportable.

VI. MACHINERY.

Machines for making army and field cables. Steam and hydraulic forging presses and parts thereof.

(a) Machines.

Armatures, completed.

Choking coils.

Dynamo machines.

Electromotors.

Storage batteries, completed. Transformers.

Converters.

(b) Articles connected with electric wiring. Wires, ropes, strands of copper, aluminum and their alloys, bare or covered, spun or braided with fabrics, varnish, or rubber, with or without metal covering, with or without metal armoring; except flexible, insulated wires of short length, which, as component parts of electric lighting apparatus, are connected therewith or which are provided with contact arrangements on both ends.