the fire tubes being in upright arrangement

Full Title

Steam boilers of combined fire-tube type and water-tube type, i.e. steam boilers of fire-tube type having auxiliary water tubes > the fire tubes being in upright arrangement

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

STEAM GENERATION

Subclass:

METHODS OF STEAM GENERATION; STEAM BOILERS