Full-circle contact goniometer with detachable limbs

 

Nachet, Paris
Full-circle contact goniometer (brass and steel, outside diameter 8.5 cm) with detachable limbs in black plush-lined leather-covered case (10.5 cm).
The upper (detached) part of the case is signed "Nachet à Paris", ca. 1900.

private collection

Full-circle contact goniometer with detachable limbs, Nachet, Paris

Full-circle contact goniometer with detachable limbs, Nachet, Paris