Fourteen specimens
1790-1819
Four specimens; borax,plaster,and marble
1790-1819
Copper ore from the Bell Mine
before 1889
Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway
before 1889
38 unnamed specimens
1790-1819
Cupriferous sandstone from Schweinkopf
before 1889
Specimen of bolting cloth
Alloy of 5 of copper with 7 of iron, experiment by J. Richardson
before 1889
Specimens mounted on a card
Grey slag, from Lead works
before 1889
"Coarse metal" before granulation, Mines Royal Copper Works, Neath
before 1889
Iron and steel wire samples tested for tenacity
Iron and steel wire samples tested for tenacity
Iron and steel wire samples tested for tenacity
Copper sheathing from H.M.S. "Fantome"
before 1889
Terylene fibre specimen
Glass specimen
Specimen of refractory material
Specimen of refractory material
Specimen of refractory material
Specimen showing a stage in the manufacture of a vase
Specimen showing a stage in the manufacture of a vase
Specimen of refractory material
Specimen of refractory material
Specimen of iron ore
Specimen of iron ore
Specimen of iron ore
Specimen of iron ore
Specimen of iron ore
Specimen of Swedish iron ore
Specimen of bright steel bar
Bar of wrought iron prepared by Heaton's process
Bessemer mild steel rivet bar, bent cold
Bessemer mild steel rivet bar, bent cold
Test piece of iron as used at the Royal Arsenal, Woolwich,1878
Specimen of devitrification of glass, illustrating the formation and colouration of slags
Specimen of devitrification of glass, illustrating the formation and colouration of slags
Specimen of devitrification of glass, illustrating the formation and colouration of slags
Specimen of devitrification of glass, illustrating the formation and colouration of slags
Sample of steel from the Lowmoor Iron Works
Large mass of slag or tap cinder from an iron finery
Spiegeleisen-slag showing crystals
Iron ore from Taberg Smaland, Sweden, after calcination
Spiegeleisen-slag showing crystals
Specimens illustrative of Blair's process for refining pig-iron by aeration
Specimen illustrative of Blair's process for refining pig-iron by aeration
Coke from Tertiary lignite of Bovey Tracey
Steel from the Dannemora Steel Works, Sheffield
Piece of slag running out from the mass, called "Fox-tail"
