 
                                                    
                                               Map No. 143,  Ely & Wisbech 1824-1922 (3-map set),  in the Cassini Historical Series of old Ordnance Survey mapping of England & Wales at 1:50,  000 in a format designed to offer a convenient comparison with the present day coverage from the OS,  & most locations in three different editions. Old historical maps have been combined so that the sheet lines correspond to the current Landranger series & reproduced with the scale changed from one inch to one mile to 1:50,  000. Most locations are covered by three separate maps,  showing how the area has changed over the decades,  with selected major cities also presented in a fourth edition. Old Series: the first detailed survey mapping dating for most areas from the first half of the 19th century,  in black & white & with relief shown by hachuring. Revised New Series from 1880s/1900s,  with some colouring & a mixture of hachuring & contour lines. Popular Edition from the inter-war years,  with contour lines & colouring to indicate woodlands,  parks,  etc. New Popular Edition from the late 1940s,  reproduced in the Cassini series for the major cities. Each map 
 Includes:: notes on the development of Ordnance Survey & the various series produced by them. For those interested in maps & cartography in general,  the Cassini series also provides a fascinating insight into how Ordnance Survey cartographic style has developed over a period of over 100 years. Coverage in this title 
 Includes:: present day Downham Market,  March,  Chatteris,  Wisbech St Mary,  Murrow,  Emneth,  Stowbridge,  St John                                             
