Physical description
Set of four drawings, photocopy reduced to A3 size of the "Concept drawings re modifying W class circa Dec. 1988". Shows the introduction of a front door step, relocation of controls, bulkheads, changes to windscreens, introduction of a formal seat for the driver. subtitle - "Modified 'W' class", was proposed to be the W8 class at the time.
Date could be 1988, see Reg item 1970 for concept memorandum
Second set added 8/3/17