![](https://coimages.sciencemuseumgroup.org.uk/7/797/large_thumbnail_1976_0644_0002.jpg)
Four dry plate negatives (a)
![Four dry plate negatives (a),(b)](https://coimages.sciencemuseumgroup.org.uk/335/575/medium_smg00028581.jpg)
Four dry plate negatives (a),(b),(c) and (d) probably Hartley's work, not described in detail
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1914-381
- Measurements:
-
overall (lying flat): H. 2 mm x W. 107 mm x D.82 mm, 0.03 kg
- type:
- negatives
- credit:
- Hartley, W.J.