Cassini Map Series
First date	Last date	Series	Original Scale	Present-day	Coverage	Colour
			('Native Scale')	('Supplied Scale')
Ordnance Survey
1805	1888	Old Series	1:63,360	1:50,000	E, S, W, IoM	Mono
1895	1899	Revised New Series	1:63,360	1:50,000	E, W	Mono
1896	1913	Revised New Series (in colour)	1:63,360	1:50,000	E, S, W	Part colour
1919	1926	Popular Edition	1:63,360	1:50,000	E, W, IoM	Full colour
1945	1949	New Popular Edition	1:63,360	1:50,000	E, W	Full colour
1880	1910	County Series	1:10,560	1:10,000	E, W	Mono
1855	1896	County Series	1:2,500	1:2,500	E, W	Mono
2010	2012	Present-day 'Explorer'	1:25,000	1:25,000	E, S, W	Full colour
2010	2012	Present-day 'Landranger'	1:50,000	1:50,000	E, S, W	Full colour
1855	1858	Irish First Edition	1:63,360	1:50,000	I	Part colour
1898	1901	Irish Third Edition	1:63,360	1:50,000	I	Part colour
1833	1846	Irish 6"	1:10,560	1:10,000	I	Full colour
Stanfords
1891	1891	Stanfords London	1:10,560	1:10,000	Lon	Full colour
Bacon’s Commercial and Library Atlas of the British Isles of 1900
1900	1900	Bacon County maps	various	various	E, W, S, IoM, CI	Full colour
Cassini's European Map Collection (various authors)
From c1708	To c1943	Various European (over 8000 maps)	various	various	Map Inventory	various

Notes:

Supplied Scale maps are the modern day metric equivalent scales.

Part colour = all maps use some colour

Maps may generally be reproduced at any enlargement or reduction +/– 20% from the Supplied Scale

For copyright reasons not all maps are available for all purposes

The dates supplied are approximate as in a few cases maps from dates outside this range may have been used.

E = England; W = Wales; S = Scotland; I = Ireland (all); Lon = London; IoM = Isle of Man; CI = Channel Islands

The 1:2,500 County Series maps do not include areas of mountain and moorland.