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Common white forge pig-iron, Dowlais Furnaces, Sou

Metallurgy

1871

Specimen of Cornish Stone (China Stone, medium gra

Ceramics

Copper accidentally crystallised, from the Mines R

Metallurgy

1869

Overpoled copper from the Spitty Copper Works, Swa

Metallurgy

1848

Specimen of tube joints as used in Reed's water tu

Marine Engines

1893-1926

Black glassy slag for crushing and washing, from t

Metallurgy

before 1889

Twice melted slag from melting the last in the con

Metallurgy

before 1889

Specimen of high conductivity copper strip

Telecommunications

c. 1980

Specimen of work produced by a T. B. Sharp and R. Furnival Co slot drilling machine

Hand and Machine Tools

1852-1862

Silver reduced from its chloride by zinc in the co

Metallurgy

before 1889

Long primer type, No.11, made in 1846

Metallurgy

1846

Result of heating together two equivalents of silv

Metallurgy

before 1889

Silver reduced from sulphide of silver by hydrogen

Metallurgy

before 1889

Clay from Poole, Dorsetshire

Metallurgy

before 1889

Alloy of iron and manganase, and containing carbon

Metallurgy

before 1889

"Davies" coal, Queensland, presented by R. Daintre

Metallurgy

before 1873

"Grey Gog" seam, Trimsaran Colliery, Kidwelly, Cae

Metallurgy

1843-1889

"Thomas" coal, Queensland, analysed by W.J. Ward,

Metallurgy

before 1873

Coal from Sumatra, called "Soengei Doerian" coal,

Metallurgy

before 1872

Atacamite from the province of Atacama, Chile, pre

Metallurgy

before 1889

Result of experiment on "blue metal" cooled slowly

Metallurgy

before 1889

Solution of sulphide of iron in molten iron, secon

Metallurgy

before 1889

Copper pyrites from Newfoundland

Metallurgy

before 1889

Ore-furnace slag, Haford Copper Works, Swansea

Metallurgy

before 1889

"Mother of coal", Dowlais, S. Wales, analysed by E

Metallurgy

1843-1889

Metallic copper as a red-coloured powder

Metallurgy

before 1889

Slack coal made from the South Staffordshire ten y

Metallurgy

before 1889

Goldkrone copper slate

Metallurgy

before 1889

"Lowry" or "Parkend" coal, in the Forest of Dean a

Metallurgy

before 1889

Rich residual copper from the liquation, "Reichfri

Metallurgy

before 1889

Production of slag by the union of haematite and l

Metallurgy

before 1889

Regule from the second fusion in making best selec

Metallurgy

before 1889

Charge after setting up previous to pulverisation.

Metallurgy

1859

Result of experiment on "blue metal" cooled rapidl

Metallurgy

before 1889

Columbite from Middletown, Massachusetts. Communic

Metallurgy

before 1889

Result of experiment in the union of silicide of i

Metallurgy

before 1889

Result of another experiment relating to blue meta

Metallurgy

before 1889

Alloy of 90 copper and 5 aluminium, and 5 Zinc

Metallurgy

before 1889

Coal from Takasima, in the island of Niphon, Japan

Metallurgy

before 1873

Layer of copper-bearing shale, known as "Noberge,"

Metallurgy

before 1889

Prepared composition of Juleff's Cornish crucibles

Metallurgy

before 1889

Piece of iron from Sheffield, analysed by F.A. Abe

Metallurgy

before 1889

Result of fusing one equivalent of galaena with on

Metallurgy

before 1889

Pure ferric oxide

Metallurgy

before 1889

Alloy of 76 parts of copper and 24 of tin

Metallurgy

before 1889

The silver powder left as a residue, after the zin

Metallurgy

1859

Native graphite from the Horicon Mines, Ticonderog

Metallurgy

before 1889

Plumbaginous or graphitic anthracite from the mica

Metallurgy

before 1889

Sulphate of soda and copper, from Widness Metal Wo

Metallurgy

1871

Residue from copper works at Alderley, containing

Metallurgy

before 1889