Rainbows in Art

Depictions spanning more than 800 years – in chronological order – of that most enigmatic of weather phenomena, the rainbow….more

Tractatus de Herbis (ca.1440)

Selections from a beautifully illustrated 15th century version of the “Tractatus de Herbis”, a book produced to help apothecaries and physicians from different …more

Arabic Machine Manuscript

Images from an Arabic manuscript featuring schematics for water powered systems, pulleys and gearing mechanisms. The date is unknown but is thought to be from somet…more

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