Madrid
Found in 5 Collections and/or Records:
Letter and proposal from Don Josef de Porras y Ruiz, 1784-12-23
Letter and proposal, with a related letter from Mr Fraser who forwarded the papers to Sir Harry Parker.
Letter from Don Josef de Porras y Ruiz, 1783-08-18
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
Letter from F. Amoros and F. de Gilleman, 'officiers du Ministere de la Guerre', Madrid, 1803-08-22
The letter conveys observations of a solar eclipse made by Ali-Beik Abd-Allah at Tangier on 16 August 1803.
Letters from observatories, 1860 - 1863
Sketches of islands 'discovered', rough calculations and tables, 1791 - 1792
Set of rough astronomical calculations, with tables, notes, and sketches of islands ‘discovered’; the islands are unnamed, although reference points are sometimes given, such as ‘Island A’ [RGO 14/62: 141*v], or ‘Bay at C’ [RGO 14/62: 79v]. Interspersed among the notes are occasional doodles by Gooch [RGO 14/62: 88v], [RGO 14/62: 124r], and translations of [Polynesian] words [RGO 14/62: 124r], [RGO 14/62: 126-127], [RGO 14/62: 141*v].
Some pages are inverted in the volume.