London
Subject
Subject Source: Local sources
Found in 1 Collection or Record:
Item
Letter from Edward Troughton to Dr Thomas Young, 1820-04-19
Item
Reference Code: GBR/0180/RGO 14/48: 195-196
Scope and Contents
Concerning estimates for a zenith micrometer for the Cape Observatory, parts of which were also being made by Dollond and Donkin.
Dates:
1820-04-19
Conditions Governing Access:
From the Management Group:
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