I need instructions on how to make a civil war era steroopticon?

Question

I have the optical cards I need the holder to see them.

Answer 1

This site describes how a man made his own: http://www.threedview.com/default.asp
You will probably have to make one because they are antiques now.

This site shows one from the 1800's. It does not seem likely that you would be able to buy one.
http://users.characterlink.net/The-Cookie-Jar/stereo_photos.html