Boiler of smoke pipes. (Machine-translation by Google Translate, not legally binding)

摘要

Smoke tube boiler, essentially characterized by having in its main frame a tubular longitudinal fire box, equipped with transversal stuffings to compensate dilatations and emptying into a first smoke box from which leaves at least one tube bundle of fumes in return to a second smoke box that, located in the mouth of the fire box itself sends those towards the chimney. (Machine-translation by Google Translate, not legally binding)