Solid ivory specimen with triple helices
Solid ivory specimen with triple helices made with turning lathe
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1928-1162/6
- Materials:
- ivory
- Measurements:
-
overall: 45 mm x 25 mm x 25 mm, 0.024 kg
- type:
- specimen
- credit:
- Holtzapffel and Company