Search: John Herschel Project in contributor 
1800-1809::1808 in date 
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Herschel2142

From:
Alexander Rogers
To:
Sir John Herschel
Date:
[1 January 1808]
Source of text:
RS:HS 14.387
Summary:

Thanks JH for information concerning the comet. Planned to build telescope with object glasses separated from each other. Optician said this would not correct spherical and chromatic aberrations. Wants advice.

Contributor:
John Herschel Project

Herschel2143

From:
Alexander Rogers
To:
Sir John Herschel
Date:
[22 February 1808]
Source of text:
RS:HS 14.388
Summary:

Wishes to teach privately. Asks William Herschel to write a recommendation certificate. Weather has been problematic. Sends greeting to the elder Herschels.

Contributor:
John Herschel Project

Herschel2144

From:
Alexander Rogers
To:
Sir John Herschel
Date:
1808-3
Source of text:
RS:HS 14.389
Summary:

Concerned over illness of William Herschel. Discusses 'Evolution of Curve Lines.' Describes [Christiaan] Huygens's terms for evolution of curves. Offers advice to avoid problems with them.

Contributor:
John Herschel Project

Herschel12658

From:
Sir John Herschel
To:
[Thomas] Baldwin [Sr.]
Date:
[18 May 1808]
Source of text:
TxU:H/L-0079; Reel 1054 (C: TxU:H/M-0616.2; Reel 1086)
Summary:

Recalls JH's visit to Hammersmith. Asks TB to permit JH's cousin Mary Baldwin to visit Slough at time of Ascot races. Received letter from [TB's daughter] Sophia.

Contributor:
John Herschel Project

Herschel2145

From:
Alexander Rogers
To:
Sir John Herschel
Date:
[5 November 1808]
Source of text:
RS:HS 14.390
Summary:

Grateful for letter from Brighton. Agrees with JH concerning comet. Is suspicious of those who claim it is the same comet that was seen one year previously.

Contributor:
John Herschel Project
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