Kevin,
There was a shop in Spokane somewhere on the eastern side of town that sold used machinery. It was in the industrial area of town.
I wish I could recall just where it was. But that was over 15 years ago, so it might not even be there anymore. Could be worth looking into.
Yep, you should get a lathe, not only for horn work, but it is just a handy piece of equipment to have. When I started selling off my shop equipment, I decided that I was going to keep my lathe. That, and my router. Maybe someday I will get a little bench mounted drill press, but maybe not, either. Space is at a premium for me.
As a thought, check out CdA Power Tool. They sell Jet tools. I have put Jet wood lathes to the test and found them able to keep up with every demand I put on them. Over the years, I have had 3 or 4 of them and they all performed very well with few problems.
One thought on lathes. After having used what I would call medium sized lathes I have tried working with some of the smaller hobby/pen making lathes and they left me cold. Not enough power at all. Get something you can work with and not be overloading it all the time. These little pi$$ant lathes to me are nothing but a source of frustration.
And if you are buying a lathe from a private party on Craig's List, see if you can get the seller to throw in some lathe chisels with the deal.
All for now. Have fun with this.
John (Bigsmoke)