Hartley, John George, fl1821 - 1823 (petitioner to the Board of Longitude)
Found in 8 Collections and/or Records:
Draft letter from [Henry Kater] to John George Hartley, 1821-09-06
Three letters from Hartley, with two related letters from John Barrow and [Henry Kater].
Letter from John Barrow to Captain Kater, 1821-09-06
Originally enclosing a letter from John George Hartley.
Letter from John Croker to Dr Thomas Young, 1823-04-19
Originally enclosing the letter from John George Hartley at [RGO 14/38: 418-419].
Letter from John George Hartley to Dr Thomas Young, 1821-09-30
Three letters from Hartley, with two related letters from John Barrow and [Henry Kater].
Letter from John George Hartley to the Admiralty, 1821-09-03
Three letters from Hartley, with two related letters from John Barrow and [Henry Kater].
Letter from John George Hartley to the Admiralty, 1823-04-15
Two letters.
Letter from John George Hartley to the Board of Longitude, 1821-09-09
Three letters from Hartley, with two related letters from John Barrow and [Henry Kater].