https://makingscience.royalsociety.org/items/hs_13_349
Letter, from Hugh Percy (3rd Duke of Northumberland) to Sir John Herschel, dated at Syon | The...
Autograph letter signed by sender. Accepts John Frederick William Herschel's suggestion about using the offered money for publication costs [see John Frederick…
duke of northumberlandsir john herschelhugh percyletterdated