Contact goniometer with detachable arms

Steeg & Reuter, Bad Homburg
Contact goniometer (nickel plated brass, steel, outside diameter 8.3 cm) in dark red plush-lined leather-covered case (10.2 cm wide) marked "Anlegegoniometer".
Signed (on the back side) "Dr STEEG & REUTER | BAD HOMBURG v.d.H.", 20th century.

private collection