Astronomy: seven astronomers, forming the allegorical titlepage to Dirck Rembrantz van Nierop, Nederduytsche astronomia.… https://www.rawpixel.com/image/14021087/image-paper-cartoon-personFree Image from public domain licenseAstronomy: five astronomers, forming the allegorical titlepage to N. Mulerius,Tabulae frisicae lunae-solares quadruplices.… https://www.rawpixel.com/image/13996908/image-paper-cartoon-personFree Image from public domain license