Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Set of crucibles in dark workshop
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Metal ware heating in crucible
Craftsman choosing a workpiece on the crucible
Metal in crucible melted to liquid state
Man near crucible with heated metal
Man near crucible with heated metal
Jeweler melting the metal placed in a crucible
Professional goldsmith holding a blowlamp over the crucible
Man pouring heated metal from crucible in form
Man pouring heated metal from crucible in form
Goldsmith holding crucible with precious metal during smelting
Man with lifting tongs taking metal ware from crucible
Man with lifting tongs taking metal ware from crucible
The operator is weighing the sample in the porcelain crucible for residue on ignition testing.
High Temperature Furnace
Goldsmith using a blowtorch for the metalwork
A stream of molten slag
