Sea and the City

Sea and the City

Available on iTunes
S9 E5: Mark Horton reveals how Greenwich became the centre of global sea navigation, examining the competing madcap schemes to determine a ship's position at sea that were proposed by the world's best in the 18th century. Tessa Dunlop uncovers an astonishing top-secret story of how Hitler's bombers could have flooded London and possibly won the war.