Advertising Stereo Viewers (various)

compilation of three advertising stereo slide viewers in fitted boxes, all for 35mm stereo slides, with low voltage electric illumination and adjustable focus, (1) beautifully designed German "Iloca" full metal viewer made by Wilhelm Witt (Hamburg), two-tone body in oxblood and mint enamel finish, adjustable eye base, viewer and case are in good condition, together with a series of six slides of an industrial site made by photographer Hermann Harz of Düsseldorf, (2) German made Bakelite viewer in mint condition branded for Hoesch Werke AG Dortmund, comes with 16 impressive stereo views showing different stages of steel production (3) ‘Like Live’ viewer by Deep-View Corp. (Milwaukee), advertising viewer made of oxblood Bakelite, focussing knob is broken, comes together with 16 slides showing X-Ray gear, in fitted faux leather case. (3)