Episode details
Available for over a year
A sextant is a measurement tool. A simple device that not only revolutionised navigation but also improved mapping around the world.
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
A sextant is a measurement tool. A simple device that not only revolutionised navigation but also improved mapping around the world.
Programme Website