A representative synthesis of old instruments of photographic register and showing is exhibited, making the correlation with the beginning of the audiovisual aids.
Therefore, it is given priority to the didactic display that is also accompanied with references to the oldest inventions in which the evolution of those techniques ended, combinations in which the show of catoptrics magic, the re-creation of optical illusion and others came together in conjunction with catoptrics and dioptrics sciences, astronomy and the art in general.
“Daguerre and Bouton were the first exponents who, in practice, sowed the background of the present audiovisuals when providing a change in the contemplation of static images accompanied by sound, and also introducing the important find of the dissolution of one image over the other in a finished artistic conception, with a language expressed by a montage that was determined according to an action, development and ending principle”. (From Audiovisualogía.The Audiovisuals as Art and Media).