Sand glass in four pillared wooden mount

Made:
1750-1800 in England
1991-216 : Single sand glass in four pillared wooden mount. 17 minutes. Horne Type B. Second half of the 18th century.

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

1991-216 : Single sand glass in four pillared wooden mount. 17 minutes. Horne Type B. Second half of the 18th century.
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. (B3247)

Single sand glass in four pillared wooden mount. 17 minutes.

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:
glass, sand and wood (unidentified)
type:
sand glass
credit:
On loan from the Wellcome Trust