- Image 12 of 42
Image Description
Observatory time ball and weather vane on top of a building, an obsolete time signaling device that was used by mariners to verify marine chronometers when the ball dropped at a specific time
- Keywords
- background ball blue device equipment maritime observatory old signally sky structure time vane weather meteorological
- Resolution:
- 2343 x 3500
- File size:
- 960 kB
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License Details
Creative Commons Attribution 4.0 License
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