The hot and arid desert coast of Angola on the Atlantic Ocean

Tide Formula Component Cranks on Tide Predicting Machine No. 2

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Dials on Tide Predicting Machine No. 2

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Face of Tide Predicting Machine No. 2

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Gears on Tide Predicting Machine No. 2

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A Tide Formula Component Crank on Tide Predicting Machine No. 2

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NOAA's Tide Predicting Machine No. 2

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Army, events, united

U.S. Army Corps of Engineers Europe District from Wiesbaden, Germany · 2112×1620

Army, events, united

U.S. Army Corps of Engineers Europe District from Wiesbaden, Germany · 1821×1827

Looking into the Top of Tide Predicting Machine No. 2

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Army, events, united

U.S. Army Corps of Engineers Europe District from Wiesbaden, Germany · 2486×1728

Rocks and surf

Angelina Odemchuk · 2048×1365

MAY 15: Firefighter with backpack fire pump and tools

National Interagency Fire Center · 1024×683