The electoral picture gallery at Düsseldorf: paintings on two walls in the third gallery. Engraving, 1776. https://www.rawpixel.com/image/13989968/image-paper-cartoon-personFree Image from public domain licenseGiebel der Hoffassade del Heerdegenschen Hauses by W Biede https://www.rawpixel.com/image/14317566/giebel-der-hoffassade-del-heerdegenschen-hauses-biedeFree Image from public domain licenseBad Ems, Germany, with five smaller sketches of the town. Wood engraving by "EH.XA.", after 1872. https://www.rawpixel.com/image/14001402/image-cartoon-plant-personFree Image from public domain licenseHôtel de Ville de Cologne by Charles Marville and Louis Désiré Blanquart Evrard https://www.rawpixel.com/image/14285059/hotel-ville-cologne-charles-marville-and-louis-desire-blanquart-evrardFree Image from public domain licenseView of a building with the name "Ritter", Heidelberg, Germany by Eduard Lange https://www.rawpixel.com/image/14308085/view-building-with-the-name-ritter-heidelberg-germany-eduard-langeFree Image from public domain licenseSociety meeting place, Baden, Germany, with a view of the town in the background. Line engraving by F. Würthle after K.… https://www.rawpixel.com/image/13985772/image-background-plant-personFree Image from public domain licenseMarble Gallery, Palace Postdam, Germany. by Benjamin West Kilburn https://www.rawpixel.com/image/14295969/marble-gallery-palace-postdam-germany-benjamin-west-kilburnFree Image from public domain licenseCivil engineering: elevations and sections of bridges. Engraving by J. Davis, 1820, after R. Tredgold. https://www.rawpixel.com/image/14005973/image-paper-cartoon-airplaneFree Image from public domain licenseTurnbuch für die Söhne des Vaterlandes / von Chr. Fried. Guts Muths. Mit vier Kupfertafeln. https://www.rawpixel.com/image/14008040/image-paper-cartoon-personFree Image from public domain licenseBaths of Trier, Germany: ruins. Etching by J. Poppel after L. Lange. https://www.rawpixel.com/image/13993851/baths-trier-germany-ruins-etching-poppel-after-langeFree Image from public domain licenseThe Gallery of Paintings, Sans Souci, Germany. by Benjamin West Kilburn https://www.rawpixel.com/image/14295952/the-gallery-paintings-sans-souci-germany-benjamin-west-kilburnFree Image from public domain licenseHeidelberg Bridge and Castle. Germany. by Carleton H Graves https://www.rawpixel.com/image/14292291/heidelberg-bridge-and-castle-germany-carleton-gravesFree Image from public domain licenseCivil engineering: plan and elevation of the Coblenz railway bridge, Germany. Lithograph by J. R. Jobbins. https://www.rawpixel.com/image/13987856/image-paper-pattern-public-domainFree Image from public domain licenseFacade of a building with statues, Heidelberg, Germany by L Meder https://www.rawpixel.com/image/14294585/facade-building-with-statues-heidelberg-germany-mederFree Image from public domain licenseSeitliches Portal am Hirschvogelsaal in der Hirschelgasse by W Biede https://www.rawpixel.com/image/14318547/seitliches-portal-hirschvogelsaal-der-hirschelgasse-biedeFree Image from public domain licenseBrandenburg gate afternoon sun https://www.rawpixel.com/image/11925084/brandenburg-gate-afternoon-sunView licenseHof des Mullerschen Hauses in der Karolinenstrasse 24 by W Biede https://www.rawpixel.com/image/14317568/hof-des-mullerschen-hauses-der-karolinenstrasse-biedeFree Image from public domain license