Note 20 — Chapter I · HISTORY OF THE STEREOSCOPE.
Reading edition
As Mr. Wheatstone himself describes the dissimilar pictures or drawings as “two different projections of the same object seen from two points of sight, the distance between which is equal to the interval between the eyes of the observer,” it is inconceivable on what ground he could imagine himself to be the discoverer of so palpable and notorious a fact as that the pictures of a body seen by two eyes—two points of sight, must be dissimilar.