Whetstone production
Whetstone production stands for the breaking and manufacturing (refinement) of whetstones :
- Whetstone production Bergamo province
- Whetstone production (Dornbirn)
- Whetstone production (Unterammergau) or Schleifmühlklamm
- Whetstone production (Reichsgrafschaft Hohenems)
- Whetstone production (Schwarzachtobel)