Jet JWL-1440 VS Lathe

[paulkane1]

I am in need of some help.I have a Jet 1440 VS Lathe,which do not have a center spindle opening ,all the way through the head stock,I remember ,reading some where,there was a product ,that lets you use a Vacum Chuck ,on the Jet Lathe,but,I can't find the article,Could someone provide me with a link.too either,how the vacum system was made,and,were you can get the relevant parts.