Search: John Herschel Project in contributor 
1860-1869::1864::05::25 in date 
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From:
Sir John Herschel
To:
John Herschel (son)
Date:
[25 May 1864]
Source of text:
JHS 5.11
Summary:

Positively responds to son John's idea of geodesic measurements of much larger than usual triangles; suggests that John is not likely to be able to correct the whole world's English; JH reports about sickness in the family including his own seemingly permanent bronchitis.

Contributor:
John Herschel Project