Identifier: elementsofastro00broc (find matches)Title: Elements of astronomy ... with explanatory notes, and questions for… https://www.rawpixel.com/image/9975557/image-arrows-faces-artFree Image from public domain licenseThe Elements Paying Tribute to Friendship (Les Élements rendant homage a l'Amitié) by Louis Simon Boizot https://www.rawpixel.com/image/14260959/image-background-lions-cloudsFree Image from public domain license