Photograph of Oertling balance used by Prof. Poynting
- maker:
- L Oertling
Photograph of Oertling balance used by Prof. Poynting, in 1878, for his "Determination of the Mean Density of the Earth and the Gravitation Constant".
Details
- Category:
- Geophysics
- Object Number:
- 1921-31
- type:
- photograph
- credit:
- National Physical Laboratory.