From:
Sir John Herschel
To:
Sir Richard Owen
Date:
[19 December 1858]
Source of text:
TxU:H/L-0289; Reel 1054
Summary:
If only one observer is assigned to Peking, observations could not be conducted. Describes staff and expenses at other magnetic observatories. Edward Sabine's plan to adapt all instruments to photographic self-registering instruments.
Contributor:
John Herschel Project