Monday, March 26, 2018

Medieval Navigation, III: Captain’s Log

St. Brendan's ship on the back of a whale, and his men praying, in Honorius Philoponus' Nova typis transacta navigation 1621; image from Sea Monsters on Medieval and Renaissance Maps by Chet Van Duze. This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or less. {{PD-US}} – published in the U.S. before 1923 and public domain in the U.S

Tuesday, March 20, 2018

Medieval Navigation Part II, Steering by the Stars


This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or less.