Search: Herschel, John in correspondent 
Selwyn, William in correspondent 
1870-1879::1870::06 in date 
Sorted by:

Showing 14 of 4 items

From:
William Selwyn
To:
Sir John Herschel
Date:
[11 June 1870]
Source of text:
RS:HS 15.509
Summary:

Discusses the different strata of the ocean and [William] Carpenter's lecture on deep sea dredging. Is digging an artesian well.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[16 June 1870]
Source of text:
RS:HS 15.510
Summary:

Sends two copies of JH's 'macular conspectus.' Mr. Titterton was very pleased that JH approved of his work.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[17 June 1870]
Source of text:
RS:HS 24.320
Summary:

Sends diagrams showing three new couplets of sunspots. The sun is entering a new phase of activity. Sends drawings made with a glass pen by his son Alexander.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[24 June 1870]
Source of text:
RS:HS 15.511
Summary:

Thanks JH for the drawings. Will send new solar autographs showing macula. Is working on the autographic series of the activity of the sun during its 11 year period.

Contributor:
John Herschel Project