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
Haematite crystals in slag
1884
Experiment on the alloying of iron with cobalt
before 1889
Two samples of German peat from the newest peat formation
1843-1889
Lignite from the Dranista Coalfield, Katerini, Greece
before 1874
Lignite from right bank of Saskatchewan River
before 1861
Petroleum earth
1843-1889
"Heathen" or "Spin coal" below the 10-yard coal, Grace Mary Colliery, Rowley Regis, South Staffordshire
1843-1889
Lignite from right bank of Sasketchewan River
1843-1889
Pirnie black coal
1843-1889
"Rhes Las" or brassy coal, Dowlais, South Wales
1843-1889
Pirnie brown coal
1843-1889
Copper ore from Algeria, analysed by R. Smith
before 1889
Air dried compressed peat
before 1875
Coke prepared at high temperature from "White coal"
before 1889
Coal from Vancouver Coal Mines and Land Company
before 1873
Chilian copper ore containing oxychloride of copper
1872
Native copper from the Vista-Belle Mine, Peru
before 1889
Hanoverian peat
1843-1889
Slack coal made from South Staffordshire ten yard or thick coal
before 1889
Compressed peat
1843-1889
Sample of Dawson's patent fuel
before 1889
No. 2 Glamorgan coke
before 1889
Lignite from Desolation Island, Indian Ocean
before 1864
Foundry coke. Newton, Chambers, and Co.
before 1889
Black lignite from Turkey
before 1868
Lignite from Nicaragua
before 1865
Peat from Cashmere from aquatic plants
1831-1850
Coke produced from the slack of the Main Seam, Albion Mines
before 1889
Lignite, with diffused resin, from Tasmania
1843-1889
Compact lignite from Teplitz, Bohemia. (Teplice, Czech Republic )
1843-1889
Shaly lignite from Nicaragua
before 1866
Lignite from Lota, Chile coast
before 1873
Lignite, with resin occuring in it from Auckland
1843-1889
Prepared copper ore from the Rio Tinto Mines
before 1889
Silicide of copper, which has been rolled out, reheated in sand and charcoal, and fused under glass
before 1889
Iron pyrites in soft Low Moor coal
1843-1889
Cuprous oxide, produced by heating cuprous sulphide and cupric sulphate
before 1889
Mass of cuprous oxide found in a furnace bottom
1867
Fibrous copper from a fine metal furnace bottom
before 1889
Refinery slag from the Mines Royal Copper Works
before 1889
Crystalline deposit on walls at Copper Works, Mines Royal
1869
Iron pyrites, containing 2.18 per cent copper
1858
Globular concretions of copper
before 1889
Crystalline bright black needles forming on the surface of malleable copper
before 1889
Regulus showing minute fibres of metallic copper in crevices
1848
Result of experiment on roasted pyrites with lead
before 1889
Result of experiment on roasted pyrites and lead
before 1889