Estereoscopo “Simplex” Stereo Viewer
Spain, 1930/40s
This viewer from Spain disassembles to fit neatly into its wooden box. The metal pieces can be difficult to insert into the wood slots, but once assembled, the focus can be adjusted by sliding the cover - which doubles as the card holder - back & forth.
Primary Material: Wood & metal
Media Format: Printed card
Light Source: Natural light
Focus: Adjustable
Interocular: Fixed