http://www.singersewinginfo.co.uk/28/
http://www.sandman-collectibles.com/...r-machines.htm
Two links above worth bookmarking.
Model 27 & 28 machines have a low mounted bobbin winder. The 127 & 128 machines have a high mounted bobbin winder.
Last edited by Caroline S; 09-10-2013 at 04:53 AM.