The World (on Mercators Projection) showing both the Eastern & Western Maritime Route to Australia and the difference of Time at succesive Hour-Circles east & west of Greenwich.
London. Virtue & Co., [circa 1874]. Printed colour map, 18.4 x 24.1 cm, edge wear, marginal spotting and on the verso, but the map in very good condition. Unusual map showing time differences east and west of Greenwich, before the atomic clock and well before satellites! The explanatory text notes..... More