Mind & BrainBinocular VisionSome Remarks on the Mechanics and Psychology of SeeingBy Frederic Campbell on October 7, 1916AdvertisementABOUT THE AUTHOR(S)Recent Articles by Frederic CampbellUsing the American Ephemeris to Make Your Own AlmanacAir Pressure in the SubwayTwo Giant Worlds, The Ninth International Congress of Applied Chemistry, and more