Improvements in and relating to Steam Superheaters for Locomotive, Marine and like Fire Tube Boilers.

摘要

10,720. Robinson, J. G. April 30. Fire-tubes, arrangements of superheating- tubes in.-The portion of the tube 2 adjacent to the fire-box is bent into a spiral 4 of steep pitch and united to the straight length of tube 3 by a torpedo end 5 or a U-bend.