Search: 1820-1829::1826 in date 
Young, Thomas in correspondent 
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Herschel8088

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826 to 1829]
Source of text:
RS:HS 18.354
Summary:

Errors in equinoctial time calculated by John Pond. Suggests limiting decimal places in value of equinoctial time to reflect this uncertainty. Making error uniform will make it awkward to alter future almanacs.

Contributor:
John Herschel Project

Herschel8090

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826 to 1829]
Source of text:
RS:HS 18.356
Summary:

Resolved puzzle about sidereal year, which needs better definition. Error between true and nominal positions prevents TY adopting 'equinoctial time' for chronology investigations.

Contributor:
John Herschel Project

Herschel8092

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826-6 or earlier]
Source of text:
RS:HS 18.358
Summary:

J. J. Littrow's paper in F. X. von Zach's April [Correspondence astronomique, géologique, hydrographique et statistique] is only 'a new hash' of [F. W.] Bessel and no improvement.

Contributor:
John Herschel Project

Herschel8093

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826-6 to 1829-5]
Source of text:
RS:HS 18.359
Summary:

Send plan of furnace to TY or Michael Faraday before tomorrow's committee meeting.

Contributor:
John Herschel Project
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