Welcome to the Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines - Enjoy!
The story behind the D28 is best found on this website:https://www.stefans-oldsmoky.com/2017/04/09/eine-ganz-alte-d28-found-a-very-old-d28/and a picture of an old dashboard, very nice the old Wilesco's - Arnold (Attachment Link)