@pathfinder
You referred to the English transcript by Janith Boniface Fernando. Do you know that there is a transcript prepared by Lal himself:
https://puredhamma.net/wp-content/uploads/Waharaka-Thero-Discourse-The-Way-to-Nibbana.pdf
As you said, this desana is in simple language, yet I find it a tremendous resource, and review it very often. Hope everyone finds great benefits from it.
Best,
Lang