We used to refer to them as 'spam cans'. Now recognised as being before their time, as indeed was Riddles 8P Duke of Gloucester.
Problems experienced with the oil bath for the chain driven valve gear have been over come with modern materials such as neoprene rather than the leather cup seals originally fitted.
Those two images have been taken from my Flickr site. You could at least have the decency to acknowledge that fact.
ReplyDelete