Deal
Found in 14 Collections and/or Records:
Letter and two printed papers on finding the longitude by an altitude of the moon, 1826-06-05
Sent from Thomas Hedgcock to the Board of Longitude.
Letter from Thomas Hedgcock to Captain Thomas Hurd, 1815-02-15 - 1816-02-15
24 letters, with related papers and observations.
Letter from Thomas Hedgcock to Captain Thomas Hurd, 1815-08-24
24 letters, with related papers and observations.
Letter from Thomas Hedgcock to Captain Thomas Hurd, 1816-02-28
Originally enclosing the letter at [RGO 14/35: 295-295a].
Letter from Thomas Hedgcock to Captain Thomas Hurd, 1816-09-04
Originally enclosing the letter at [RGO 14/35: 297-298].
Letter from Thomas Hedgcock to Captain Thomas Hurd, 1818-05-28
Originally enclosing the letter at [RGO 14/35: 300-301].
Letter from Thomas Hedgcock to Dr Thomas Young, 1827-12-03
24 letters, with related papers and observations.
Letter from Thomas Hedgcock to the Board of Longitude, 1816-02-28
Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 294-294a].
Letter from Thomas Hedgcock to the Board of Longitude, 1816-09-04
Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 296-296a].
Letter from Thomas Hedgcock to the Board of Longitude, 1818-05-28
Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 299-299a].
Letter from Thomas Hedgcock to the Board of Longitude, 1826-09-18
24 letters, with related papers and observations.
Letter from Thomas Hedgcock to the Board of Longitude, 1827-12-03
24 letters, with related papers and observations.
Letter from Thomas Hedgcock to the Lord Commissioners of the Admiralty, 1826-09-23
Enclosing an example of his method for ascertaining longitude.
Printed paper on a new method of finding the longitude by an altitude of the moon, 1826 - 1828
24 letters, with related papers and observations.