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A set of three matching Cassini maps from three different periods, designed to appeal to anyone who wants to discover the hidden history of their local landscape. Cassini Old Series Maps first published between 1805 and 1874; Cassini Revised New Series Maps first published between 1896 and 1904; Cassini Popular Edition Maps first published between 1919 and 1926.

These maps are taken from Ordnance Surveys Old Series, Revised New Series and Popular Edition maps. Each map in the Box Set has been carefully scanned, digitally re-projected and enlarged to match the present-day Ordnance Survey Landranger series. The maps are also directly comparable with the corresponding Ordnance Survey Landranger and use the same sheet number and grid references, so enabling the past and the present to be compared with ease and accuracy.