An electric universal control device for primary instruction (Machine-translation by Google Translate, not legally binding)

摘要

A universal electric tester of primary instruction, characterized by being made up of a box case in a square, rectangular or polygonal shape and constructed of metal, wood, cork, paste or any other type of material desired, appropriate for this purpose , which can be decorated both internally and externally in the arrangement and shape desired and believed convenient, carrying its corresponding handle for easy grip when being transported, said box being internally divided by means of a central board, in two departments, one upper and one lower, both covered by closing caps either in the form of a slide or in another suitable one desired, which can be easily opened. (Machine-translation by Google Translate, not legally binding)