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Herschel8429

From:
Hubert Airy
To:
Sir John Herschel
Date:
[9 May 1870]
Source of text:
RS:HS 19.311
Summary:

Describes difficulties in producing glass pen and attaching it to pendulum to produce precise curves for aligning equatorial [telescope mount]. Sent artistic sample to JH's wife.

Contributor:
John Herschel Project

Herschel8731

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[11 May 1870]
Source of text:
RS:HS 14.123 (C: RS:HS 24.312)
Summary:

Thanks RP for sending RP's Other Worlds than Ours and supplies comments, some favorable, on numerous claims made therein, e.g., on RP's theory that Jupiter and Saturn are hot and to some degree luminous.

Contributor:
John Herschel Project

Herschel8732

From:
Richard Anthony Proctor
To:
Sir John Herschel
Date:
[12 May 1870]
Source of text:
RS:HS 14.124
Summary:

Thanks JH for commentary on RP's Other Worlds than Ours. Responds to JH's comments, accepting most objections. Acknowledges his major debt to JH's writings.

Contributor:
John Herschel Project

Herschel8733

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[16 May 1870]
Source of text:
RS:HS 24.314
Summary:

Assures RP that he is not upset at RP for publicly questioning some of JH's ideas. Continues discussion of point in perturbation theory for Uranus.

Contributor:
John Herschel Project

Herschel8734

From:
Richard Anthony Proctor
To:
Sir John Herschel
Date:
[17 May 1870]
Source of text:
RS:HS 14.125
Summary:

Admits JH is correct in suggested correction of RP's statement regarding perturbations of Uranus. Suggests that JH urge astronomers to observe the solar corona carefully.

Contributor:
John Herschel Project

Herschel8973

From:
Sir John Herschel
To:
the R.A.S.
Date:
[19 May 1870]
Source of text:
R.A.S.M.N., 31 (1871), 228-30
Summary:

Expresses skepticism on the claims made by F. Abbott, observing from Tasmania, of the detection of changes in the Eta Argus nebula. Compares Abbott's drawings with drawings made by JH and and by JH's son John.

Contributor:
John Herschel Project

Herschel9351

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[24 May 1870]
Source of text:
RS:HS 24.315
Summary:

About an application to the B.A.A.S. for a grant to fund the calculations related to reducing the magnetic observations of 1847-48.

Contributor:
John Herschel Project

JHC244

From:
Sir Joseph Dalton Hooker
To:
Sir Mountstuart Elphinstone Grant Duff
Date:
15 May 1870
Source of text:
JDH/2/22/2 f.76, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project
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