R. Fuess, Berlin
Polariscope tube (lacquered brass) with rack and pinion
focusing. Black painted cast iron base, mirror on mahogany
support. Nicol prism polarizer with 360-degree scale,
condensing lens, Nicol prism analyzer, ocular. Height
of the instrument 36 cm.
Signed on the polarizer scale "R. FUESS | BERLIN",
serial number "6776" on base, first half 20th