(under subclass 235) Water tube boilers having a firebox offset from the main part of the boiler structure that do not fall within the definitions of the other subclasses of water tube boilers having an offset firebox.
SEE OR SEARCH THIS CLASS, SUBCLASS:
93, 94, 120, 175, 189, 190, 209, and 213, for other types of boilers provided with offset fireboxes.
336, 337 and 352, for other types of water tube boilers with offset fireboxes.