I aquired this in a second hand bin a few years back. It is white metal and a two part casting with no interior ,can any one help identify who made it ,I would like to get a few more
(http://www.ngaugeforum.co.uk/SMFN/gallery/53/1970-230717201938.jpeg) (http://www.ngaugeforum.co.uk/SMFN/index.php?action=gallery;sa=view&id=53688)