Search: Herschel, John in correspondent 
Griesbach, John Henry in correspondent 
Herschel, John in addressee 
John Herschel Project in contributor 
1840-1849 in date 
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Showing 17 of 7 items

From:
John Henry Griesbach
To:
Sir John Herschel
Date:
[7 August 1843]
Source of text:
RS:HS 9.55
Summary:

Amuses himself in his spare time with astronomy. Would like advice on the composition of the metal for the speculum. Hears that Miss Caroline Herschel is in good health.

Contributor:
John Herschel Project
From:
John Henry Griesbach
To:
Sir John Herschel
Date:
[18 September 1843]
Source of text:
RS:HS 9.56
Summary:

Thanks for letter and advice. Has been able to get copies of William Parsons' (3rd Earl of Rosse) papers. Would like advice on the size of the grinding tool. Hopes to avail himself of JH's invitation to visit Collingwood.

Contributor:
John Herschel Project
From:
John Henry Griesbach
To:
Sir John Herschel
Date:
1844-7
Source of text:
RS:HS 9.57
Summary:

Has now succeeded in grinding his 20" speculum and it is ready for polishing. Would like to see the mounting of JH's telescope as it is not clear from the engraving.

Contributor:
John Herschel Project
From:
John Henry Griesbach
To:
Sir John Herschel
Date:
[2 August 1844]
Source of text:
RS:HS 9.58
Summary:

Is grateful for JH's offer of assistance and proposes to visit him next Wednesday. Congratulations on the addition to his family.

Contributor:
John Herschel Project
From:
John Henry Griesbach
To:
Sir John Herschel
Date:
[14 September 1844]
Source of text:
RS:HS 9.59
Summary:

Has been unable to return the papers as he has been so busy. Proposes making working drawings as he suggests. Will take the papers to the Dover Railway to ensure their safety.

Contributor:
John Herschel Project
From:
John Henry Griesbach
To:
Sir John Herschel
Date:
[30 June 1845]
Source of text:
RS:HS 9.60
Summary:

Encloses the tickets for the Philharmonic concerts and gives details of the program. Is going to cast another 20" speculum in a few days.

Contributor:
John Herschel Project
From:
John Henry Griesbach
To:
Sir John Herschel
Date:
[29 December 1845]
Source of text:
RS:HS 9.61
Summary:

Did not realize that JH would leave town so quickly. Cast a 10" speculum successfully after William Parsons' (3rd Earl of Rosse) plan. Is having difficulty with his grinding and polishing and would welcome JH's advice.

Contributor:
John Herschel Project