all-welded

In accordance with S.R. practice since the days of Bulleid, the design of components employs welding extensively - in fact the smokebox, motion and slide bar brackets and frame stretchers are all-welded structures.

[p163] The most ambitious of these items were undoubtedly the all-welded boilers for the short-lived and much-discussed "Leader" 0-6-6-0s; …