The Cassini map is available in a scrollable format from the French government itself : https://www.geoportail.gouv.fr/donnees/carte-de-cassini https://www.geop

The Cassini map is available in a scrollable format from the French government itself : https://www.geoportail.gouv.fr/donnees/carte-de-cassini https://www.geoportail.gouv.fr/donnees/carte-de-cassini Furthermore the site hosts a number of historical and modern maps that are all geographically indexed and can be overlaid.