Search: Herschel, John in correspondent 
Newbold, Thomas John in correspondent 
1840-1849 in date 
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From:
Thomas John Newbold
To:
Sir John Herschel
Date:
[15 July 1842]
Source of text:
RS:HS 13.121
Summary:

On his last passage down the Red Sea the Captain informed TN of the singular alteration of his chronometers. Comments on this and would like JH's views. Magnetic station at Aden has never been set up and the instruments are still at Bombay. Examined the ancient canal while at Suez. Will be pleased to assist JH in any way.

Contributor:
John Herschel Project
From:
Thomas John Newbold
To:
Sir John Herschel
Date:
[11 December 1843]
Source of text:
RS:HS 13.122
Summary:

Gives his own ideas concerning the origin of diamonds and would like JH's comments. Would also like JH's views regarding the phosphorescent light that plays at night over the magnesite excavations.

Contributor:
John Herschel Project
Collection
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