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7 résultats pour : platinum

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A Breguet's thermometer
ARP23A16_020

A Breguet's thermometer

A Breguet's thermometer
ARP23A16_021

A Breguet's thermometer

Raising platinum-bearing gravels from river beds
ARP15A00_230

Raising platinum-bearing gravels from river beds

Klimt, 'Hope II'
ARP10A01_249

Klimt, 'Hope II'

William Hyde Wollaston
ARP07111_009339P

William Hyde Wollaston

Women washing the precious metal Platinum from alluvial gravels
ARP07104_460001132

Women washing the precious metal Platinum from all...

Platinum still for concentrating sulphuric acid
ARP07104_460001204

Platinum still for concentrating sulphuric acid