“Engeln” Stereo Lantern Slide Viewer
Ref. J6
This item is a stereo slide reader that could be used either with normal day light, or with an internal lighting by a low power electric bulb. The slide tray is visible to the right of the operator. The viewing lenses are separately adjustable to the reader’s eyesight.
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The Engeln Electric Company, Cleveland, Ohio, started business late in the second decade as makers of X-ray accessories and then of heavier equipment (dental and mobile units, fluoroscopes, X-ray tables, etc), but, after several unsuccessful associations, disappeared from the market by the Big Depression in 1930.