Fun with Maps and Triangles! | Here's the Thing... About the Great Theodolite

In 1791, the Principal Triangulation of Great Britain began, it took 60 years and resulted in the first accurate map of Great Britain and Ireland. At the heart of this story stands the Great Theodolite, the precision instrument used to measure the land. Join Alexandra Rose, Curator of Earth Sciences as she explores the impact of this intriguing instrument. If you're in London come and see the Great Theodolite and many other amazing scientific instruments on level 2 of the Science Museum in Science City 1550–1800: The Linbury Gallery. Find out more and book your tickets here: https://bit.ly/4807Jpg #trigonometry #maps Chapters: 00:00 Introduction 00:34 The Principal Triangulation of Great Britain 02:42 The craftsman behind the Great Theodolite 03:58 The Prehistory of the project 04:56 What is triangulation? 06:32 Challenges 07:58 Closer look at the Great Theodolite Footage sources: Wikipedia Flickr Day of the tiles print: https://www.worldhistory.org/image/15...