Ernst Leitz monocular microscope. Germany. c.1909.

This Ernst Leitz monocular microscope manufactured under No. 99,556 is a similar model to the previous one, but in this one the upper part is made of brass. It has two revolver targets. Its condenser is a wheel with five diaphragms. As it protrudes slightly from the platen, it is conveniently operated from the left side. His foot is a horseshoe. It is not tiltable.