First edition. Explanatory text plus twelve printed double page forms and one completed form entitled “Height of the Mercury in the Marine Barometer off the Cape of Good Hope. May 1815.” Oblong folio. Half calf with speckled paper boards, rubbed. With a “Duplicate” stamp of the Library of the Royal Society of London to ffep. Contents in good condition. London, Jas. Horsburgh, 1816.
Rare: OCLC lists only one copy at the British Library.
