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A008     1907 Le Minimus 45 x 107 mm Stereoscope

1907
Le Minimus, shown here is for 45 x 107 mm glass
slides,  This apparatus is the  simplest and most compact multiple viewer. The design was patented in Feb.23, 1907 France by M. M. Bize and Clapareda. There is no mechanism, only 3 levels inside.  In the upper level, twenty-four slides are fitted,  the middle level is viewing level.  When you turn on the knob on the upper right side, a slide in the upper level will drop down  for viewing and the viewed slide will then drop down to the bottom level into a slot.

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