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Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
License
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Single sand glass in four pillared wooden mount. 17 minutes
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Single sand glass in four pillared wooden mount. 17 minutes. Horne Type B. Second half of the 18th century
A sand glass measures out a specific length of time. They were used at sea to time a ship’s ‘watch’, or to calculate the ship’s speed.
Details
- Category:
- Time Measurement
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1991-216
- Materials:
- wood (unidentified), glass and sand
- Measurements:
-
overall: 160 mm x 87 mm
- type:
- sand glass
- credit:
- On loan from the Wellcome Trust
