| RGO Archives/RGO 66/7 contains: |
| 1 |
A note to G M Whipple from W De La Rue on anomalous results of printing solar pictures |
| 2 |
A letter from B Stewart to [G M Whipple] giving his opinion of a book lent him by [G M Whipple] |
| 3 |
A letter from J Capello of the Observatorio do Infante d. Luiz to G M Whipple |
| 4 |
A letter from B Stewart to W De La Rue on Sun examples and lectures |
| 5 |
A further letter from B Stewart to W De La Rue on his intention of giving ''one or two'' public lectures on sunspots |
| 6 |
A note from W De La Rue asking G M Whipple to be so good as to give B Stewart two spare negatives, covered by glass plates |
| 7 |
A covernote from E J Sabine for a manuscript |
| 8 |
A note from W De La Rue to G M Whipple on the character of the photoheliograph |