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Tyndall0776encl

From:
J. G. S. van Breda
To:
John Tyndall
Date:
le 20 juin 1853
Source of text:
27/32, RDS
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel499

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 June 1853]
Source of text:
RGO 6.341.43
Summary:

Informs GA of the discovery of an earlier standard pound weight found at the Royal Mint.

Contributor:
John Herschel Project
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