Bob,
I bought the glass from http://woodturnerscatalog.com/ and when I got them I realized that's all they did, basically scribe and snap. My next ones I make I'm just going to go to Pier One and snap my own.
To attach the glass to the stem I pre-drilled the turning blank to fit the stem while on the lathe. After drilling I formed the top of the stem to match the bottom of the glass so it will sit nice and striate. Then I bring up the tailstock with a cone center for support and turn the rest of the stem. Once that's done I put a little bit of epoxy glue on the glass stem and insert it into the pre-drilled hole on the new stem.
Hope this makes sense
And thanks for the comments.
For what it is worth, I have done a few of these wine glasses myself. In my experience, the greatest challenge is making 2 (or more) that are virtually identical. These two stems look identical to me and, therefore, I congratulate you. I've read that you need a special glue that will compensate for the expansion and contraction of the wood without harming the glass. Therefore, I use a glue called Bondaflex. I'm not convinced that this is necessary, but I use the glue just to be on the safe side.
Fantastic wine glasses. Nice flow to the shape. Just for info, you might want to check into your local Goodwill or other thrift store. I got my glasses for $1.29 for the pair at Goodwill. and they have a good veriety. Used my Dremel with a diamond bit to cut them off. Worked great.
Thanks for the information Vince, it does make sense and something new for me to try. Agree with Rich you did a great job gettting the stems identical.