Stereoscopical, Stereoscopic adj. Of or pertaining to the stereoscope; characteristic of, or adapted to, the stereoscope; as, a stereoscopic effect; the stereoscopic function of the eyeglasses; stereoscopic views.
... your note by return of post, in order that you may know that the Stereoscopic Nottage has not written to me yet. Of course I will not lose a moment in replying to him when he does ... — The Letters of Charles Dickens - Vol. 1 (of 3), 1833-1856 • Charles Dickens