have an old wooden camera the takes stereo pictures with glass plates with the name wollensak opt co pat. 1900 on the front of the lens holder. wollensak is no longer here so where could i possibly find out the make of the camera. to look at it it just looks like a wooden box all the leatherette has fallen off. it is a single bellows (with a center curtain that can be removed). and used as a single lens. the lens is on a removable wooden mount. it could be used with a single lens (which i don't have) or a stereo (which i do have) by inserting the center curtain. it has air timers. the brass hardware has been removed and stored inside in plastic. ends 7" by 6 3/4" 91/2" end to end (about the size of 2 cigar boxs one on top of other) tripod mount on end and side. view finder a small woden box that swivels the eyepiece lens is missing.