Drum microscope for walking stick microscope
drum microscope for walking stick microscope by Benjamin Martin, London, England (unsigned), 1 object lens, c. 1775
- Measurements:
-
overall: 150 mm x x , 35 mm, .125kg
- Materials:
- copper (alloy) , iron and glass
- Object Number:
- 1928-775 Pt1
- type:
- microscope
