GIA4783912: Invention of the hammock: this invention revolutionized the life of sailors aboard ships. They slept before on the wet deck. Engraving from the book “Historia general de las Indias, islas y tierra firme del mar oceano”” by Gonzalo Fernandez de Oviedo (Gonzalo) or Fernandez de, ou Hernandez de Oviedo y Valdes (1478-1557), 1535, Spanish School, (16th century) / Bridgeman Images