Contact goniometer with fixed arms

 

Vinçard, Paris
Contact goniometer with fixed arms (silver and blued steel, outside diameter 7.5 cm) signed "Vinçard Paris".
Arnould Carangeot (1742-1806) commissioned Nicolas Vinçard (1741-1788) to construct his first contact goniometer, in 1782. Vinçard produced them in brass and in silver. This instrument must be dated 1782-1788.

private collection

Contact goniometer with fixed arms, Vinçard, Paris

Contact goniometer with fixed arms, Vinçard, Paris

Contact goniometer with fixed arms, Vinçard, Paris