London
Found in 3 Collections and/or Records:
Letter from Edward Massey concerning new inventions, 1823-06-17
Letter to Dr Thomas Young proposing to present three new inventions to the Board: a marine thermometer, a watch beating Royal Seconds which would serve as a Journeyman Watch, and a watch with decimal seconds. Massey also mentions that he had previously received a reward of £200 by the Board of Longitude for his sounding machine, and a further premium of £500 from Mr Perceval.
Letter from Edward Massey to Dr Thomas Young, 1823-10-30
Five letters sent by Massey to Captain Thomas Hurd and Dr Thomas Young. The letters also make reference to Massey's sounding machine and patent log.
Letter from John Barrow to Dr Thomas Young concerning Massey's chronometer, 1818-11-22 - 1818-11-27
Twelve reports and two letters.