Found in 4 Collections and/or Records:
Vouching for the integrity of John Beale who had invented an instrument for longitude.
Concerning a timepiece for longitude.
Informing the Board of Longitude that he had constructed an instrument to measure the time from the departure of a ship to its arrival.
Two letters from Beale, one of which is accompanied by a letter from a clergyman of his parish (Woodbury) attesting to Beale's good character.