this was on TM a while back, worth another look,
http://www.britishpathe.com/record.php?id=81695
note the scientific approach to tightening the spinners using a precision tool, also of note the scuttle roll bar well before Morgan got there, for a car straight off the production line the delivery mileage is a little high...
I'm a long time MG fan, grandfather had a TF, and dad had TC, BGT in BRG and black bumper B in aztec yellow