In 1912, Barclay Curle & Co Ltd , shipbuilders, Whiteinch, Glasgow, Scotland,became a subsidiary of Swan Hunter & Wigham Richardson Ltd , shipbuilders, Wallsend-on-Tyne, England. Together these two companies formed a new business, the North British Diesel Engine Works Ltd , Glasgow. This venture was designed to develop the diesel capacity acquired through Barclay Curle's take over of the North British Engine Co , Scotstoun, Glasgow. In 1922 the company was re-registered as the North British Diesel Engine Works (1922) Ltd and in 1925 it went into voluntary liquidation, its assets being acquired by Barclay Curle & Co Ltd .
From the guide to the Records of North British Diesel Engine Works (1922) Ltd, engine manufacturers, Glasgow, Scotland, early 20th century, (Glasgow University Archive Services)