Could be a 7" Drummond:
http://www.lathes.co.uk/drummondlargerlathes/
Maybe the big motor is knackered and the easiest solution was to sling a wee one underneath, and boy does it look Small for this size lathe
http://www.lathes.co.uk/drummondlargerlathes/
Maybe the big motor is knackered and the easiest solution was to sling a wee one underneath, and boy does it look Small for this size lathe