From:
Sir John Herschel
To:
the R.A.S.
Date:
[1847]
Source of text:
R.A.S.M.N., 8 (1847), 14-15 inc
Summary:
Accepts with thanks J. Henry Griesbach's drawings of solar spots. Encourages others to observe the sun. Suggests the use of photography in recording solar spots. Pledges to give the R.A.S. all JH's drawings of solar spots.
Contributor:
John Herschel Project