Macris-Boucher Nil Melior 立体相机

Nil Melior stereo camera of Macris Boucher, Paris.
This is a plate camera for 60x130 mm. with 10 plate cassettes and 2 diffuser plates.
it was build between 1912 and 1928.
3 apertures available, f/4.5, f/9, f/18
central shutter with 7 different speeds
Shutter works, apperture works.
Comes with a leather case with red soft cover inside.
Weight about 760 grames
size: W155 x H83 x D80mm