![](https://coimages.sciencemuseumgroup.org.uk/20/125/large_thumbnail_1943_0184.jpg)
Chromatics of the Sky
![Chromatics of the Sky](https://coimages.sciencemuseumgroup.org.uk/671/490/small_thumbnail_smg00007797.jpg)
![Chromatics of the Sky](https://coimages.sciencemuseumgroup.org.uk/203/781/small_thumbnail_1889_0065_0017.jpg)
drawing. chalk and crayon, col; no 181. 1887, Nov 1, 6.30pm. Deep crimson and gold streaks, with splashes of purple at zenith. Weather supervening. A stormy day. Squally and rainy on the 2nd. with S to SW gales. / John Sanford Dyason