Darkening Accessory for Fuess reflecting goniometers
R. Fuess, Berling-Steglitz
Darkening Accessory for Fuess goniometers, lacquered brass
(partly lacquered black) and plush, in its leather-covered,
dark red plush-lined case. Length 16 cm.
Fits on Fuess Models II, III, IV and IVa.
Unsigned, but only made by R. Fuess, ca. 1894.
private collection
![Darkening Accessory for Fuess goniometers](images/FuessDA_3.jpg)
darkening accesory mounted on the telescope of the Fuess Model IV reflecting goniometer.
Reference:
Traube, H. Eine einfache
Verdunklungsvorrichtung für das Goniometer mit horizontalem
Theilkreis, Neues Jahrbuch für Mineralogie, II, pp.
1-2, 1894