Part of Eckholdt's Patent Omnimeter, British, 1868-1900
Tribrach, part of Eckholdt's Patent Omnimeter, invented 1868, by by Elliott Brothers, London, England, 1868-1900.
- Object Number:
- 1900-90 Pt1
- type:
- instrument component and tacheometer
- Image ©
- The Board of Trustees of the Science Museum