Stereoscope slide viewers were popular throughout the late 19th and early 20th century. The dual photographic images gave a three-dimensional view of popular tourism sites and sometimes news events.This is the only stereoscope in the collection intended for general use. Others held in the collection were intended for study of ocular anatomy or visual training.Stereoscope slide viewer. Wood with metal eyeshield engraved with eagle decoration. Folding wooden handle. Detachable sliding target slide holder.Clip mount stamped 'PATENT/AUS', unclearstereoscope, stereopsis, views, tourism, souvenir