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Warburton, John, fl1785 (petitioner to the Board of Longitude)

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Found in 1 Collection or Record:

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Letter from John Warburton to Sir Philip Stephens, 1785-06-15

 Item
Reference Code: GBR/0180/RGO 14/45: 366
Scope and Contents

Concerning an instrument for showing the true time of day and concerning magnetic variation.

Dates: 1785-06-15
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