
Model illustrating the Francois Process of shaft sinking

Model illustrating the Francois Process of shaft sinking; in case with glass front and 2 keys.
Details
- Category:
- Mining & Ore Dressing
- Object Number:
- 1927-402
- Measurements:
-
overall: 1975 mm x 863 mm x 463 mm,
- type:
- model
- credit:
- Francois Cementation Co. Ltd.