Two sand-glasses
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LicenseTwo sand-glasses, each of 30 minutes duration
Science Museum Group
© The Board of Trustees of the Science Museum
Two sand-glasses, each of 30 minutes duration, mounted on a wooden stand which counts every other inversion of the glasses up to 30 (hours). Horne Type C. Second half of the 19th century. (B3190)
Details
- Category:
- Time Measurement
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1991-225
- type:
- sand glass
- credit:
- Wellcome Trust
