Kitchen with steam kettles at Leiden University Medical Center

Old dentist's tools in Berlin University

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Armstrong, flight, research

Lauren Hughes · 1280×853

Tide Formula Component Cranks on Tide Predicting Machine No. 2

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South, dakota, ben

Brokering, Paul J. AIA., creator · 5322×4385

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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Kennedy, space, center

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Ikhana, california, office

NASA/Tom Tschida · 1280×1144

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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Looking into the Top of Tide Predicting Machine No. 2

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