Copper ore from the Bell Mine
before 1889
Cupriferous sandstone from Schweinkopf
before 1889
Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway
before 1889
Fourteen specimens
1790-1819
Four specimens; borax,plaster,and marble
1790-1819
38 unnamed specimens
1790-1819
Vesicular slag from the blast-furnaces at Russell Hall Iron Works
1861
Another basic slag similar to the last
before 1889
Blast-furnace slag
before 1889
Crystalline slag from tin smelting at Redruth
before 1889
Specimen of Edison Bamboo Filaments
Specimen of "Toprina" single cell protein
1977
Bog iron ore from Holland
before 1889
Bog iron ore from old lake deposits in Holland
before 1889
Portion of one of the iron clamps from the Parthenon at Athens
before 1889
Bog iron ore, from Ireland
before 1889
Small pieces of iron used in the "Welch Furnace"
before 1889
Nodule of clay ironstone, containing massive iron pyrites in large crystals
before 1889
Blast furnace slag
before 1889
Adamantine boron, prepared and communicated by H. St. Clair Deville
before 1889
Specimen of Cornish Stone
"Refinery slag" from Sutton Copper Works
1871
Specimen of stone from old St. Pauls Cathedral
Cannel coal
1843-1889
Mottled pig-iron, almost entirely white
before 1889
Earthy red haematite from Somersetshire
before 1889
Lodestone or magnetic iron ore from Brazil
before 1889
"Arley Mine" coal, Wigan, Lancashire
1843-1889
Pink-coloured iron slag, found on the road near Pontypool Iron Furnaces, South Wales
before 1889
Specimen of optical glass containing "borosilicate of lead" prepared by Faraday
1824-1830
Ballast pig-iron from Portsmouth Dockyard
before 1889
Piece of blister-steel with one large hollow blister extending on both sides
1846
"Metal slag" from the fourth operation in copper smelting
1865
Blast furnace slag from ancient iron smelting works, 16th century, Forest of Dean
before 1889
Iron ore from Santander, north-west of Spain, smelted at Dowlais, 1870
before 1889
Vesicular green slag from the blast-furnaces at Newland Iron Works, Ulverston
before 1889
Alloy of 90 copper and 10 tin. A bronze
before 1889
Slag from the spiegeleisen-furnace of the New Jersey Mining Company
before 1889
Black-band ironstone from Llynvi Coal and Iron Company
before 1889
Ore-furnace slag, "Schlacke"
before 1889
Ore-furnace slag from Whiston Copper Works
1849
Mill furnace slag showing iron olivine crystals
1871
Ganister used for furnace bottoms. From Hazlehead
before 1889
Spiegeleisen from an unknown locality
before 1889
"Blue stone" from North Wales, Pary's Mountain, Anglesea
before 1889
Coke produced by a mixture of equal weights of pitch and slack
1859
Meteoric iron
before 1889
Lead slag, "Bleischlacke"
before 1889
Orpiment from France
before 1889
Blast-furnace slag produced in making Bessemer pig iron at the Royal Marienhutte Iron Works
before 1889