Lost in London? How about a £75k tube map Harry Beck’s map of the underground, based on an electrical circuit, has become iconic. Dr Louisa McKenzie reports on a new exhibition and map sale devoted to his creation

📍🚇You might not know the name #HarryBeck but you’re sure to know his work! I covered a new exhibition and sale of #maps related to the #LondonUnderground for @thetimes.com: www.thetimes.com/life-style/l...

#cartography #mapcollecting