This vintage Bakelite Zadiix illuminator is for use with Royal De-Luxe 35mm slide or strip viewer #501. There are a couple of light scuffs on its exterior, but nothing major. It is functioning properly.
Zadiix
Zadiix
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TRU-VUE
TRU-VUE
TRU-VUE
ISO
Brockway
TRU-VUE