"And all I ask is a tall ship and a star to steer her by" (Sea-Fever, Masefield)

... & a quadrant for sights & calculations

celestial #navigation in the #GoldenAgeofPiracy

#celnav #astrophysics🧪🏛️ #talklikeapirateday #histsci #MarinersMuseum #instrumentation #timekeeping