Czapski two circle reflecting goniometer

R. Fuess, Berlin - Steglitz
Two circle reflecting goniometer (black lacquered and nickel plated brass) with graduated circles and vernier read-out, telescope, and goniometer head mounted on the horizontal axis of the vertical circle. The electrical illumination is missing on this instrument. Height 43 cm.
Signed "R. Fuess, Berlin - Steglitz", first half 20th century.

collection: Roger Warin