just an example of the parts around.
(I am NOT recommending that you get these... just showing what is out there)
Someone on here will probably have everything you need and not want it themselves...
Bobbin winder
http://www.ebay.com/itm/Singer-2-VS2...item51a3440363
shuttle pitman arm
http://www.ebay.com/itm/Singer-2-VS2...item51a345eb01
shuttle carrier
http://www.ebay.com/itm/Singer-2-VS2...item460969841d
Shuttle
http://www.ebay.com/itm/Singer-Shutt...item2ec7b786ab