An apparatus for heating or cooling liquids (Machine-translation by Google Translate, not legally binding)

摘要

AN APPARATUS FOR HEATING OR COOLING LIQUIDS, characterized in that it consists essentially of two containers, one external and one internal, independent, which when coupled to one another, form a single unit connected to a chamber in which a coil is housed of copper or other suitable material intended to provide the necessary heat to the liquid of the inner container of the apparatus. (Machine-translation by Google Translate, not legally binding)