Redirect Notice
The previous page is sending you to
https://commons.wikimedia.org/wiki/File:The_Userer,_anamorphic_painting_with_conical_mirror,_Lison,_before_1773_-_Museu_da_Ci%C3%AAncia_da_Universidade_de_Coimbra_-_University_of_Coimbra_-_Coimbra,_Portugal_-_DSC09168.jpg
.
If you do not want to visit that page, you can
return to the previous page
.