35 résultats pour : iron ore
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UMG25A06_061
Open Pit Mine from which ore comes. Most of the ir...
UMG25A06_062
The Fire That Melts Iron - This diagram shows the ...
UMG25A05_331
This illustration dates to the 1870s and shows a b...
UMG25A05_330
This illustration dates to the 1870s and shows a b...
UMG25A00_386
One of two types of primitive iron furnaces in Ind...
UMG24A34_298
Smelting the Ore
UMG24A34_305
Sheet Steel
UMG24A34_299
Tapping the Blast Furnace
UMG24A34_302
Pouring the Steel Ingots
UMG24A34_301
Pug Iron Casting Machine
UMG24A34_304
Lowering an Ingot into Soaking Pit
UMG24A34_303
Steel Ingot Strippers
UMG24A34_300
Pouring from Open Hearth Furnaces
UMG24A34_296
Transportation of Ore to Mills
UMG24A34_306
Steel Blooming Mill
UMG24A34_307
Steel Rolling Mill
UMG24A34_297
Iron Ore at a Mine
UMG24A34_308
Rolling Out a Sheet of Steel
UMG23A01_292
Ore furnace.
UMG22A48_486
Joe the Genie of Steel
UMG22A18_217
Hewlett machine
UMG22A21_259
Pennsylvania R.R. ore docks
UMG22A20_290
Iron ore piles and blast furnaces
UMG20B29_075
African American Steel Worker
UMG20B21_406
The age of bronze and iron
UMG20A66_322
African American Young Girl in a Washington Park 1...
UMG20A64_279
Hard work and dangerous for such a young boy. 190...
UMG20A64_278
Hard work and dangerous for such a young boy. 190...
UMG20A03_293
Jacksonville North Western and South Eastern Railw...
UMG20A03_272
Coal and Iron Railway Co. and the coal and iron or...
UMG20A03_339
Ohio - 1873 1873
UMG20A12_014
Iron Range Closed Bank
UMG20A17_206
Ford's River Rouge Plant
UMG12A13_070
Transporting iron ore in Baba Budan Giri hills. A ...
UMG12A26_329