a heritage medical optical instrument worthy of museum I suspect that about 1940 Ewem - Stereo - Binokel these are in the museum the top shows the Philips logo 1934 and read Philips Metalix with complete description nach prof. dr.med. pl. stupf munchen elektromedizinische Werkstatte Friedich janus landau ad. Isar mahogany box dimensions of the cassette 17 cm width 9 cm lined with velvet looks great Translation done with the free version of the translator www.DeepL.com/Translator