Revolution counter
This image is released under a CC BY-NC-SA 4.0 Licence
A revolution counter (no signature)
Science Museum Group
© The Board of Trustees of the Science Musuem
A revolution counter (no signature)
Details
- Category:
- Motive Power
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1991-417
- type:
- counter
- credit:
- Wellcome Trust
