Board of Longitude
Organization
Found in 1 Collection or Record:
Item
Letter from Joseph Davidson to the Board of Longitude, 1790-04-15
Item
Reference Code: GBR/0180/RGO 14/40: 522-523
Scope and Contents
Concerning his proposed method of finding longitude based on drawing a right angle from any point of latitude. Davidson states that his method had been tested on two voyages where it proved exact to within ten miles.
Dates:
1790-04-15
Conditions Governing Access:
From the Management Group:
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- Subject: Hackney X