LBSC started to describe the building of the boiler for "Hielan' Lassie" in ME Issue 2372 (Vol. 95 October 24 1946). A general arrangement drawing and details of how the barrel and wrapper are joined appear in that issue. How to test the boiler is in Issue 2383 (Vol. 96 January 9 1947).
These articles were reprinted starting in Issue 3091 (Vol. 123 October 6 1960), finishing in Issue 3103 (Vol. 123 December 29 1960).