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Catalogue of a collection of samples of raw and partly-manufactured produce shown in the exhibition of 1851
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CATALOGUE OF SAMPLES OF RAW PRODUCE.

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JOHNSON, CAMMELL, & CO., Cyclop Steel Works , Sheffield , England.

Case containing Nine Specimens of Cast Steel , viz.

45 Best doubly carbonized and refined Cast Steel for chisels, (wholesale prices,

Cast Steel , 52 s. to 70s. per cwt; Double Shear, 40s. to 65s. ditto; SpringSteel, 20s. to 32s. ditto.)

46 Ditto ditto ditto for taps, (ditto, ditto.)

47 Highly carbonized double Shear Steel, warranted extra superior, (ditto, ditto.)

48 Best doubly carbonized and refined Cast Steel for tools, (ditto, ditto.)

49 Prepared elastic spring Steel, (ditto, ditto.)

50 Superior extra refined Cast Steel , for engineers and machinists tools, (do. do.)

51 Ditto ditto ditto ditto, (ditto, ditto.)

52 Ditto ditto ditto ditto, (ditto, ditto.)

53 Best doubly carbonized and refined Cast Steel , for chisels, (ditto, ditto.)

See Official Catalogue , Class XXII., No. 109, and

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

SAMUEL SECCOMBE, Phoenix Mines , Liskeard , Cornwall , England.

54 Tin Ore .

55 Copper Ore.

See Official Catalogue , Class I., No. 454.

VIVIAN & SONS, Hafod Copper Works , Swansea , Wales .

Series illustrating Copper-Smelting.

56 Raw or uncalcined Ore .

57 Calcined Ore.

58 Raw Metal from ore furnace.

59 Slag from ore furnace.

60 Calcined ore-furnace Metal.

61 White Metal from melting.

62 Slag from ditto.

63 Blistered Copper.

64 Slag from ditto.

65 Refined Copper.

66 Slag from ditto.

See Official Catalogue , Class I., No. 473, and

Reports of the Juries , p. 12. Honourable Mention.

Tray R-MHOTG AND MINERAL PRODUCTS.

No. 67 to No. 99.

CAMERONS COALBROOK STEAM COAL COMPANY, London Offices , 2 Moor-gate-street , London , England.

67 Smokeless steam Coal (of a quality intermediate between bituminous Coal andanthracite). From the mines near Loughor , in the county of Glamorgan South Wales .

See Official Catalogue , Class I., No. 39 (outside the Building.)

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