Autochrome Automatic-inverseur Awuco-Betrachter Baseline Bayerischen Stereobildwerke Beau patent Beckel patent Beckers patents Beckers-type stereoscope Beckers, Alexander Bellieni, Henri Benescope Bergoscope Betrachtungs Apparat Bidirectional navigation Bing Werke Binocular camera Binocular disparity Binocular vision Binocular-style stereoscope Bioscope Bize, Lucien Blinder Bloc-Omnium Block, Adolphe Book stereoscope Box pattern stereoscope Box-type stereoscope Boxed stereoviews Brady, Mathew B. Brewster pattern stereoscope Brewster-type stereoscope Brewster, Sir David Busch, Emil