S. B. Grader (Inc.-), 608 Commercial Street, San Francisco, Calif.
Martin Hannum Refining Co. (Pacific Platinum Works), 814 South Spring
Street, Los Angeles, Calif. Interstate Smelting & Refining Co., 29 Commercial Street, Newark, N. J. Kastenhuber & Lehrfeld, 24 John Street, New York, N. Y. National Smelting & Refining Co., 92 John Street, New York, N. Y. R. & II.
Platinum Works, 709 Sixth Avenue, New York, N. Y. Shreve & Co.,
Post and Grant streets, San Francisco, Calif. Wildberg Bros., 742
Market Street, San Francisco, Calif. II. A. Wilson Co., 97 Chestnut
Street. Newark, N. J.
REFINED METALS.
The quoted prices2
for refined platinum remained within the limits of $80 to $118 an ounce
throughout the year; they were below $90 until the middle of the year
and then rose to $118, and it is believed that the average selling
price was $102. Iridium began the year at $160 an ounce but rose to
$180 early in February, suffered a slight decline in the middle of the
year, rose to $300 in October, and closed the year at $260; the average
selling price was approximately $245. Palladium was steady throughout
the year at $55 an ounce.
The
5 per cent iridium alloy sold at an average of $108 an ounce, and the
10 per cent alloy at $116 an ounce; the highest prices reached were
$126 and $134, and the lowest $88 and $94, respectively.
TARIFF.
Crude
materials carrying the platinum metals may be imported free of duty
under the tariff of 1922, as shown by the following paragraphs quoted
from title 11, Free list:
Par. 1596. Iridium, osmium, palladium, rhodium, and ruthenium and native combinations thereof with one another or with platinum.
Par. 1634. Ores of gold, silver, or nickel; nickel matte; ores of platinum metals; sweepings of gold and silver.
Par. 1644.
Platinum, unmanufactured or in ingots, bars, sheets, or plates not less
than one-eighth of one inch in thickness, sponge, or scrap.
Manufactured
articles in which platinum is used are subject to import duties, as
shown by the following paragraphs from title 1, Dutiable list:
Par. 21.
Chemical compounds, mixtures, and salts, of which gold, platinum,
rhodium, or silver constitutes the element of chief value, 25 per
centum ad valorem.
Par. 309.
All iron or steel sheets, plates, bars, and rods, and all hoop, band,
or scroll iron or steel, excepting what are known commercially as tin
plates, terneplates, and taggers tin, when galvanized or coated with
zinc, spelter, or other metals, or any alloy of those metals, shall pay
two-tenths of 1 cent per pound more duty than if the same was not so galvanized or coated; sheets or plates composed of iron, steel, copper, nickel,
or other metal with layers of other metal or metals imposed thereon by
forging, hammering, rolling, or welding, 30 per centum ad valorem;
thermostatic'metal in sheets, plates, or other forms, 50 per centum ad
valorem; sheets and plates of iron or steel, polished, planished, or
glanced, by whatever name designated, 1} cents per pound: Provided, 'That
plates or sheets of iron or steel, by whatever name designated, other
than polished, planished, or glanced, herein provided for, which have
been pickled or cleaned by acid, or by any other material or process,
or which are cold-rolled, smoothed only, not polished, shall pay
two-tenths of 1 cent per pound more duty than the rates provided on
corresponding thicknesses of common or black sheet iron or steel.
Par. 318.
Woven-wire cloth: Gauze, fabric, or screen, made of wire composed of
steel, brass, copper, bronze, or any other metal or alloy, not
specially provided for,
* Eng. and Mia. Jour.-Press, vols. 113,114,1922.