Crystallographic-optical universal apparatus

Lot 8617 limit € 40

Rudolf Fuess, Berlin-Steglitz, horizontal circle reflection goniometer (brass) with graduated circle, telescope and collimator, adjusting wheels and goniometer head, frame made of black painted cast metal, H approx. 26 cm, circle D total approx. 15 cm, unchecked, age - and signs of use, missing parts, one of the most important measuring devices in crystallography, late 19th century/around 1900