Specimen showing corrosion of copper in bilge-water
Specimen showing corrosion of copper in bilge-water
Specimen showing corrosion of copper in bilge-water
Copper sheathing from H.M.S. "Indefatigable"
Specimen of copper cast under water on the Japanese plan
Copper sample, showing a want of malleability
Copper for vents of guns
Ingot of Japan copper
Copper from under the pigs of metal from the second running down
Best selected copper which has been re-melted
Copper from under the pigs of metal from the second running down
Ingot of Japan copper
Defective sheet copper too hard to spin into shape
Copper from under the pigs of metal from the second running down
Electrotype copper deposited in a stalactitic form
Copper sample, showing a want of malleability
Fibrous copper from a roaster furnace bottom
Copper for vents of guns
Bar of copper produced by Parkes' process
Copper ore from Turkey
Copper sheathing from H.M.S. "Indefatigable"
Large "rosette" of Swedish(?) copper
Large "rosette" of Swedish(?) copper
Best selected copper which has been re-melted
Electrotype copper deposited in a stalactitic form
Bar of copper produced by Parkes' process
Bar of copper produced by Parkes' process
Bar of copper produced by Parkes' process
Bar of copper produced by Parkes' process
Copper for vents of guns
Ingot of Japan copper
Ingot of Japan copper
Fibrous copper from a fine metal furnace bottom
Specimen of copper cast under water on the Japanese plan
Defective sheet copper too hard to spin into shape
Copper ores used at Hafod Works
1848
Incense burner, metal, in form of fish, Indian, 19th century
1801-1900
Ordinary copper ore from Alderley Edge, Cheshire
before 1889
Specimen of moss copper on white metal
Copper inlaid with Zn
Copper and brass inlaid with Zn in the sherardizing process
Copper inlaid with zinc to produce a brass coloured alloy
Moss copper produced in the white metal
Specimen of moss copper on white metal
Fibrous copper from a fine metal furnace bottom
Fibrous copper from a roaster furnace bottom
"Bean-Shot" copper. (Sp.G. 8.88). Mid 19th century
1830-1860