Mémoire sur l'origine et la cause de l'échauffement des eaux du Gulf-Stream

Extremely rare first edition of the French translation prepared by Désiré Mouren.

There appears to have been no Portuguese edition of this pioneering work in the field of oceanography.

Losses to the spine, upper cover starting to detach, small marginal losses to the boards.

Francisco Calheiros da Graça (1849-1906), a Brazilian naval lieutenant, took part in the operations against Paraguay and conducted several scientific studies and hydrographic surveys.

Extremely rare.

Manuscript ex-libris on the upper cover.