Fuess Model IVa reflecting goniometer
R. Fuess, Berlin-Steglitz
Horizontal circle reflecting goniometer (brass) with graduated circle and vernier read-out, telescope and collimator with Websky signal, adjusting wheels, and goniometer head. Lacquered black painted cast iron base. Height 23 cm, circle diameter 11.5 cm.
Signed on the graduated circle "R. Fuess | Berlin - Steglitz" and marked: "U . B | M" (Université de Bruxelles | Minéralogie). ca. 1900.
Compare with another Model IVa
brass goniometer with covered graduated circle