Contact goniometer, c.1830.
- Made:
- 1830
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Contact goniometer, Carangeot type, in brass, c. 1830
Carangeot type contact goniometer, c.1830. A goniometer is an instrument for measuring angles, and was particularly applied in the field of crystallography. Arnould Carangeot (1742-1806) invented the first goniometer in about 1780.
