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16 résultats pour : refining

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Instrument for refining arsenious acid.
UMG23A01_013

Instrument for refining arsenious acid.

Siemens dynamo for electrolytic refining of metals.
UMG23A00_112

Siemens dynamo for electrolytic refining of metals...

A Cutting Instrument For Graft Cuttings For Fruit Tree Refinement
UMG22A64_004

A Cutting Instrument For Graft Cuttings For Fruit ...

American Smelting and Refining
UMG22A18_260

American Smelting and Refining

Workshop of Barnaul Silver Refining Factory (early 19th century). This factory was an important part of the Demidov operations in the Altai area, Barnaul, Russia; 1999
UMG22A14_038

Workshop of Barnaul Silver Refining Factory (early...

Plant of the California & Hawaiian Sugar Refining Company (C&H Sugar) Crockett, Cal. ca. between 1910 and 1920
UMG22A11_145

Plant of the California & Hawaiian Sugar Refining ...

West Virginia
UMG20B29_261

West Virginia

Production Of Silver
UMG20B17_023

Production Of Silver

Production Of Silver
UMG20B17_024

Production Of Silver

Omsk, russia, november 10, 1999, plant management of the joint stock company “sibneft – omsk petroleum refinery”.
UMG20B07_034

Omsk, russia, november 10, 1999, plant management ...

Moscow, russia, may 25, 2007, president of oil and gas company lukoil vagit alekperov and gazpromneft president alexander dyukov, l-r, foreground, sign a memorandum of understanding setting up a joint...
UMG20B08_367

Moscow, russia, may 25, 2007, president of oil and...

Yaroslavl, russia, 8/02: refining complex of the yaroslavl oil refinery, a subsidiary of slavneft oil and gas company (pictured in august 2002.
UMG20B06_049

Yaroslavl, russia, 8/02: refining complex of the y...

American Smelting and Refining, Garfield, Utah 1942
UMG20A62_339

American Smelting and Refining, Garfield, Utah 194...

Pouring copper at Nkana-Kitwe mines. Copper is poured into a furnace during the refining process at
UMG12A04_376

Pouring copper at Nkana-Kitwe mines. Copper is pou...

Pouring copper at Nkana-Kitwe mines. Copper is poured into a furnace during the refining process at
UMG12A04_374

Pouring copper at Nkana-Kitwe mines. Copper is pou...

Cuban sugar cauldron. A cracked, iron sugar cauldron from Cuba, once used in the sugar refining
UMG12A06_429

Cuban sugar cauldron. A cracked, iron sugar cauldr...