Original file (2,814 × 1,876 pixels, file size: 2.56 MB, MIME type: image/jpeg)
Portable index card holder, prototype designed by Paul Otlet
Click on a date/time to view the file as it appeared at that time.
|current||10:48, 13 September 2015||2,814 × 1,876 (2.56 MB)||FS||date::2015 place::76 Rue de Nimy, Mons Caption::Mondotheque visits the Mundaneum archives, 11 September 2015|
- You cannot overwrite this file.