Ivory specimen
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Science Museum Group Collection
© The Board of Trustees of the Science Museum
Solid ivory specimen with quadruple helices made with turning lathe
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1928-1162/7
- Materials:
- ivory
- Measurements:
-
overall: 95 mm x 24 mm x 24 mm, 0.046 kg
- type:
- specimen
- credit:
- Holtzapffel and Company
