A hydrogen balloon has landed at Nesles-la-Vallée in 1783: mounted men ride to greet the balloonists, others gather to… https://www.rawpixel.com/image/13957316/image-dog-cloud-horseFree Image from public domain licenseA female figure with a castle on her head measures a globe with a compass; representing geometry. Engraving by A. Vallée… https://www.rawpixel.com/image/14007305/image-cartoon-face-personFree Image from public domain licenseA female figure with wings and a globe; representing astronomy. Engraving by A. Vallée after M. de Vos. https://www.rawpixel.com/image/13990712/image-paper-angel-cartoonFree Image from public domain licenseA female figure playing a stringed instrument; representing music. Engraving by A. Vallée after M. de Vos. https://www.rawpixel.com/image/13991088/image-cartoon-person-artFree Image from public domain licenseA woman teaching an infant to read; representing grammar. Engraving by A. Vallée after M. de Vos. https://www.rawpixel.com/image/13975197/image-cartoon-person-bookFree Image from public domain licenseA woman with a bird on her head; representing dialectic. Engraving by A. Vallée after M. de Vos. https://www.rawpixel.com/image/14016060/image-cartoon-person-artFree Image from public domain licenseA female figure book keeping; representing arithmetic. Engraving by A. Vallée after M. de Vos. https://www.rawpixel.com/image/13999009/image-paper-cartoon-faceFree Image from public domain license