Alloy of 90 copper and 10 tin. A bronze

Metallurgy

before 1889

Black glassy slag for crushing and washing, from t

Metallurgy

before 1889

Curley cannel coal, Leeswood Green Colliery, Mold,

Metallurgy

1843-1889

Raw roasted black copper, "Rohrost-Schwarzkupfer"

Metallurgy

before 1889

Foundry coke. Newton, Chambers, and Co.

Metallurgy

before 1889

Metal nickel speiss, produced in the Nickel Works

Metallurgy

before 1889

Natural graphite from Ceylon. As used by the Paten

Metallurgy

before 1889

Crystalline blast-furnace slag

Metallurgy

before 1889

Specimen of Cornish Stone (China Stone, medium gra

Ceramics

Coke from steam coal obtained at Seaton Burn Colli

Metallurgy

1856

Copper accidentally crystallised, from the Mines R

Metallurgy

1869

Ferro-manganase, containing about 50 per cent. of

Metallurgy

before 1889

Coal from Takasima, in the island of Niphon, Japan

Metallurgy

before 1873

Crystallised slag, Muldner Hutte

Metallurgy

before 1889

Specimens illustrating the unintentional welding t

Metallurgy

before 1880

Square bar of steel tilted from ingot no.2 at weld

Metallurgy

before 1889

Thick coal, Russell's Hall Colliery, Dudley, South

Metallurgy

1843-1889

Mean sample of grey slag, Walker, Parker and Co.'s

Metallurgy

1848

Labuan coal, Labuan Coal Company, Borneo, analysed

Metallurgy

before 1872

"Ore furnace regulus," Mines Royal Copper Works, 1

Metallurgy

1869

Copper ore from the Bell Mine, Butte, Montana, USA

Metallurgy

before 1889

Result of bad copper being used in brass making

Metallurgy

before 1889

Sample of chilling iron, cast at the London Road I

Metallurgy

before 1889

Samples of Wedgewood pyrometer, made by the origin

Metallurgy

before 1889

Hollow hemisphere of mild steel, manufactured at L

Metallurgy

1886

Specimen of raw felspar used in manufacture of por

Ceramics

Copper from Corsica, from the French Department of

Metallurgy

before 1862

Pig-iron from Madras, called grey

Metallurgy

before 1889

Gold from 500 grains of lead ore

Metallurgy

before 1889

Meteoric iron, rusted portion reduced in hydrogen

Metallurgy

before 1889

Small bar of best iron, broken cold, made at the C

Metallurgy

1859

Furnace product, "Gestubstein," Hettstedt

Metallurgy

before 1889

Iron ore from East Cliff, Hastings

Metallurgy

before 1889

Iron ore reduced by Chenot's process, by Chenot hi

Metallurgy

before 1889

Round ball of compressed fuel material made of peat and coal slack

Metallurgy

1843-1899

Pure titanic acid, in the form of a greenish-grey

Metallurgy

before 1889

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

Marine Engines

1893-1926

Specimen of Bismuth metal, crystalline

Experimental Chemistry

Gold from 10 grains of the portion removed by scra

Metallurgy

before 1889

The original rock from whence is derived the mater

Metallurgy

before 1889

Specimen of harmonic turning

Hand and Machine Tools

1908

Three specimens - various experimental blade formation, 1895-1901

Motive Power

1895-1901

Specimen of calcined flint used in manufacture of

Ceramics

Specimen of calcined Cornish stone used in manufacture of porcelain

Ceramics

Specimen of China Clay used in manufacture of porc

Ceramics

Cast iron segmental planing specimen

Hand and Machine Tools

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

Hand and Machine Tools

1852-1862

Kupfernickel as imported, used at the Nickel Works

Metallurgy

before 1889

Alloy of manganase with copper and zinc, worked in

Metallurgy

before 1889

Silver containing gold and iridium. Messrs. Betts'

Metallurgy

before 1889