Polarizing microscope

 

Voigt and Hochgesang, Göttingen
Polarizing microscope (lacquered brass) with a distinctive triangular cross section arm. Main focus by rack and pinion and fine focus by thumbwheel micrometer. Circular rotating stage (diameter 8.9 cm) with 360-degree scale and vernier. Polarizer (Nicol prism) with condenser lens. The rotating analyzer is mounted on the upper part of the body tube. Height 36 cm.
Signed on the base "Voigt & Hochgesang | Göttingen". Dated 1880.

collection: Museum for the History of Sciences, Universiteit Gent, Belgium (inventory number: MW 94/545)

Polarizing microscope, Voigt and Hochgesang, Göttingen