Apparatus for the teaching of vocabulary. (Machine-translation by Google Translate, not legally binding)

摘要

APPARATUS FOR THE TEACHING OF VOCABULARY, essentially characterized by being constituted by a tape wound between two cylinders housed in a parallel position inside a box provided with a cover, which has a row of grooves parallel to said cylinders, which coincide with the corresponding columns of words inscribed in the aforementioned tape, so that when passing this rolling it in a cylinder and unrolling it from the other by a rotary movement of these operable by a rotary knob attached to said cylinders and located externally, it appears in said grooves frontal a certain word in a language and its corresponding pronunciation in another or other languages in the others. (Machine-translation by Google Translate, not legally binding)