Improvements in boilers with the less two drums superposed vertically. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in boilers with at least two drums vertically superimposed, and joined by means of a bundle of heated tubes, in which at least a part of these tubes runs vertically as straight tubes, characterized in that at least one group of these vertical tubes straight is joined by means of a soul that runs respectively between each two immediate tubes, in such a way that the group of tubes forms a column resistant to bending. (Machine-translation by Google Translate, not legally binding)