Case for patent section line ruler
Case for patent section line ruler, stamped "Apps" and with the trade mark of E.O. Richter
- Object Number:
- 1911-198 Pt1
- type:
- instrument case
- Image ©
- The Board of Trustees of the Science Museum
Patent section line ruler, stamped "Apps", with trademark and case
- Made:
- Chemnitz
- supplier:
- Alfred Apps
Patent section line ruler, stamped "Apps" and with the trade mark of E.O. Richter and case.
Details
Parts
Patent section line ruler
Patent section line ruler, stamped "Apps" and with the trade mark of E.O. Richter
