ARTICLE from an [?engineering magazine] being an article reprinted from the "Bus & Coach" magazine, August 1951, giving details of "while you wait body erection" of buses. Written by Donald. H. Smith M.I. Mech.E., Assoc. Inst. T., it concerns the knocked down "Rivaloy" boyd re-assembled on a Leyland Royal Tiger chassis from a kit of prefabricated components as demonstrated in July 1951 as a 6½ hour operation at the works of Saunders-Roe (Anglesey) Ltd., Beaumaris. Article contains photographs of the same and details of the operation re. man hours etc.