Wooden, 6 minute sand glass from the second half of the 18th century. Sand glasses were made to measure out a specific length of time. They were used ...

Wooden, 6 minute sand glass from the second half of the 18th century. Sand glasses were made to measure out a specific length of time. They were used ...
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Wooden, 6 minute sand glass from the second half of the 18th century. Sand glasses were made to measure out a specific length of time. They were used ... by Science Museum/SSPL/Science and Society is available for licensing today.
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