Two boxes of Huggins's original photos of Corona, spectra oc Two boxes of Huggins's original photos of Corona
Three boxes of solar negatives taken at Kew and Greenwich:- 1st box: 1858-1872; 2nd box: c. 1926; 3rd box: c. 1928 Three boxes of solar negatives taken at Kew and Greenwich 1858-1872; 1926; 1928