British Rainfall 1874, map
Rainfall, Mapped by Isohyets
Frontispiece to British Rainfall, 1874. An example of a countrywide rainfall map using isohyets.
Rainfall map, Rainfall of October 6th 1874, England and Wales, by G J Symons and Stanford's Geographical Establishment, published by Edward Stanford and Co, 6 Charing Cross, and Simpkin, Marshall and Co, Stationers' Hall Court, London, 1875.