The microscope set up
for polarization with calibrated
analyzer and polarizing condenser.
thickness gauge is an unusual accessory to find
cased with the microscope.
This microscope was the top of the line model sold by the firm at the time.
It is capable of full rotation around the optical axis.
It comes supplied
with seven objectives, four eyepieces, a set of four
aperture stops, a substage condenser, separate polarizing
condenser and goniometer eyepiece analyser, a hand loupe, a pentagonal objective changer,
a camera lucida, and a cover-glass thickness
The following was extracted from the 1872
price list published in Das Mikroskop und die
mikroskopische Technik by Heinrich Frey:
This microscope is a
transitional model between the Leitz Stand No. I made
in 1870 which still incorporates the limb found on
the earlier microscopes of
Kellner, Belthle, and Rexroth and the more
conventional Continental models of later