Contact goniometer with detachable limbs

F. Pellin, Paris
Contact goniometer with detachable limbs (nickel plated brass, steel, outside diameter 10.0 cm). The scale is finely divided (0.5 degree).
Signed "F. Pellin | Paris", [N°] "11", ca. 1910.
Félix Pellin worked with his father Philippe Pellin at the beginning 20th century.

private collection