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CATALOGUE OF SAMPLES OF RAW PRODUCE.

11 Pig Iron, second quality, or No. 2.—Used for weighty castings, where strength

is required.

12 Pig Iron , third quality, or No. 3.—Used for making Bar Iron and other forge

purposes, and for large castings.

13 Scoria, or Dross.—Is composed of the argillaceous or earthy part of the Iron-

stone, combined with the Limestone , for which it has a strong affinity; and isused for making roads.

14 Refined Iron. —Prepared from No. 3, Pig Iron , by being exposed in small low

furnaces to a powerful blast. These furnaces are called refineries; and themetal, when run into moulds, is in the second state of manufacture.

15 Dross from the Refinery.—Is the impure matter which runs from the refinery

with the metal, but, being lighter, flows on the surface. It contains from 40 to50 per cent. Iron , which may be extracted in the smelting furnaces by theaddition of argillaceous matter.

16 Puddled Iron.—Is Iron in the next stage after refined metal, being in a semi-

malleable state. After having been stirred in a furnace till it acquires awelding property, it is taken out and flattened under heavy hammers.

17 Dross from puddling furnace.

18 Finished Bar and Rod Iron (four specimens).

19 Boiler Plate (two specimens).

20 Knots, tied cold (four specimens).

21 Sample, tested by hydraulic pressure in a cold state. (For particulars of testing

see label attached to specimen).

See Official Catalogue , Class XXII., No. 85, and

Reports of the Jurj.es , p. 10.— Prize Medal.

THE BOWLING IRON COMPANY, Bradford , Yorkshire , England.

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(For Prices of Metal see detailed List accompanying Specimens.')Bed Coke.

Better Bed Coal.

Oven Coke.

Boiler-plate Cuttings.

Puddled Iron.

Iron Ore , calcined.

Iron Ore .

Tyre Bar Iron.Refined Iron.

Pig Metal, No. 1.Ditto No. 2.Ditto No. 3.Knot, tied cold.

See Official Catalogue , Class XXII., No. 83, and

Reports of the Juries , p. 10 .—Prize Medal.

NAYLOR, VICKERS, & CO., River Dm Works, Sheffield , England.

35 to 44 Mahogany Case, containing specimens of Cast Steel for saws, tools, &c.,(wholesale prices, Cast Steel , § in. to 2 in., 56Z. per ton; Double Shear ditto,ditto; Coach Springs, 181. to 22 1. ditto.)

See Official Catalogue , Class XXII., No. 199, and

Reports of the Juries , p. 10. — Prize Medal.