Ici se trouvait le laboratoire dans lequel Pierre et Marie Curie ont decouvert le Radium 1898-1902

English translation: "Here was the laboratory in which Pierre and Marie Curie discovered the Radium 1898-1902 [AWS Translate]"
This is an approximate position

rue Pierre Brossolette, Paris
[geolocate this address]
Google Streetview OpenStreetMap

Colour: black

Wikimedia:

Flickr: