A new didactic procedure from the use of parts and couplable signs in default sets (Machine-translation by Google Translate, not legally binding)

摘要

A new didactic procedure based on the use of parts and signs that can be attached to predetermined assemblies, essentially characterized in that a series of geometrical figures that can be coupled to each other is presented on the facets or corresponding curved surfaces, a word in the original language of the user, accompanied immediately of the translation into the language or languages to be learned, each of them followed by the indication of figurative pronunciation. (Machine-translation by Google Translate, not legally binding)