Bailey takes size 16 Titanium Needles.
Here is a link to the bobbins the Bailey takes....
http://www.baileyssewingcenter.com/boforbahoqu.html
The page for the Bailey 13 says there is an instructional dvd, maybe they can send you one if you didn't get it with you machine.
http://www.baileyssewingcenter.com/homequilter.html