- Item type
- Object
- Dimensions
- Height: 110mm Width: 84mm Depth: 5mm Weight: 62g
- Inventory No
- 26471
Description
Rectangular filter made of two clear glass plates held together with cloth tape at one end, with black paper border.
Acknowledgement: © History of Science Museum, University of Oxford, inv.26471
Rectangular filter made of two clear glass plates held together with cloth tape at one end, with black paper border.