Lacquered brass tubes on black painted cast iron tripod base (total height: 30 cm). Collimating tube with adjustable slit; tube holding a graduated scale and collimating lens; adjustable telescope tube with rack and pinion focusing. Covered prism table with removable top.
Signed on top "E. Leybold's Nachfolger A.G. | Cöln - Rhein". First half 20th century?

collection: Museum for the History of Sciences, Universiteit Gent, Belgium (inventory number: MW 98/2948)

Spectroscope - Leybold