Hand-held refracting telescope by Benjamin Martin
Hand-held refracting telescope, 4-draw brass tube with fish skin covering, by Benjamin Martin, London, c. 1780. Tube is without object glass cap.
- Measurements:
-
overall (closed): x 103 mm x , 36 mm, .2kg
- Materials:
- copper (alloy) , glass and fish skin
- Object Number:
- 1919-467 Pt1
- type:
- instrument component and telescope - refracting
- Image ©
- The Board of Trustees of the Science Museum
