Copper ore from the Bell Mine
before 1889
Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway
before 1889
Cupriferous sandstone from Schweinkopf
before 1889
Cobalt ore from New Caledonia
before 1889
One of three specimen boards
Pinus coniferales gymnospermae preserved in jar
1960-1980
Pinus coniferales gymnospermae preserved in jar
1960-1980
'Isthmus' specimen bar, used with the Hopkinson yoke
1885
Three specimens - various experimental blade formation, 1895-1901
1895-1901
Two specimens - blades with intergral roots, 1896
1896
Specimen of steel produced by the Basic or Thomas Gilchrist process
1887
Specimen of Cornish Stone
Specimen of calcined Cornish stone used in manufacture of porcelain
Specimen of quartz
Specimen of China clay
Specimen of binding-in of 800 lb per mile telephone wire on a single-groove insulator
Specimen jar of kenzelite
Specimen of Edison Bamboo Filaments
Specimen of Bismuth metal
Specimen pieces of zirconium
Specimen of telegraph cable consisting of a bundle of insulated wires glued together
Specimen of "Toprina" single cell protein
1977
Cable specimen, unknown maker, 1800-1950
Piece of Green Granite Erbetta
Piece of Polished Green Granite Erbetta
Specimen of raw flint
Piece of a quartz vein from the Kron Mine
1842-1889
Crop of crystals obtained from the fourth pot, Pattinson's Process
1842-1889
Melted lead from the market pot, called "horn lead"
1842-1889
Result of experiment on action of manganese containing carbon on iron containing silicon
1842-1889
Calcined iron ores Co. Fermanagh, Ireland
1842-1889
Crop of crystals obtained from the fifth pot, Pattinson's Process
1842-1889
Crop of crystals obtained from the sixth pot, Pattinson's Process
1842-1889
Iron ore from Axewallsboda Lake
1842-1889
Iron ore from Gellivara Lulia
1842-1889
Bog iron ore from the moors at Axewallsboda, Sweden
1842-1889
Lake ore from Lund Lake, Sweden
1842-1889
Iron ore from Yxem Lake
1842-1889
Belgian clay, imported into Swansea for zinc retorts
before 1889
Lignite from the Dranista Coalfield, Katerini, Greece
before 1874
Coal-like lignite from Panama, Central America
before 1871
"China stone" from the Isle of Man
before 1889
Elastic bituminous substance from Australia
before 1866
Lignite from right bank of Saskatchewan River
before 1861
Nant-y-glo and Blaina coal
1843-1889
Lignite from Sasso Forte
before 1874
"Plane shale" from Scotland
1843-1889
"Curley shale" from Scotland
1843-1889
Petroleum earth
1843-1889
Prepared composition of Juleff's Cornish crucibles
before 1889