Hamilton, John, fl1783 - 1788 (petitioner to the Board of Longitude)
Found in 4 Collections and/or Records:
Letter from John Hamilton regarding a claim for money owed to him by the Board, 1788-01-14
Miscellaneous petitions and memorials making requests of the Board of Longitude.
Letter from John Hamilton to Sir Harry Parker, 1785-12-03
Acknowledging the receipt of a letter from the Board of Longitude inviting him to lay his plans for finding longitude before the Board. Hamilton says he had hoped for half an hour to personally converse, as his method involved 'no plan, no more than gun-powder or the load-stone'.
Letter from John Hamilton to the Board of Longitude, 1783-10-20
Concerning his claim to have found longitude by the use of two instruments and without the need for calculations.
Letters from John Hamilton to the Board of Longitude, 1783 - 1785
Two letters concerning Hamilton's plan for finding longitude. Both are addressed from Headford, county Galway, Ireland.