Metallic tungsten in powder. Produced by Th. Kniesche.
- Made:
- before 1889 in Saxony
Metallic tungsten in powder. Produced by Th. Kniesche, Rosswein, Saxony. Analysed at the Royal Forge Laboratory, Freiberg
Metallic tungsten in powder. Produced by Th. Kniesche, Rosswein, Saxony. Analysed at the Royal Forge Laboratory, Freiberg