Stereobetrachter 'Planox Simplifié'

smaller and later model of the classical tray-type viewer, with two-drawer base storage, makers label with the company logo on the front inscribed: 'Stéreoscope Magnetique Planox', the label with a horseshoe magnet was chosen because Planox viewers use magnetic pickup rather then the more common rods for elevating the slides from beneath, each slide had to be fitted with a thin metal strip known as a barrette, with each down stroke of the plate changing lever, a simple ratchet advances the carriage and sweeps the previous slide away from the magnets, adjustable focus and eye base, comes together with six magazines.