Do you have OS maps you are struggling to date accurately? Although almost all OS maps have a date printed somewhere in the margins it is often not immediately obvious […]
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What’s in the margin of a map and what does it mean
How to Date Bartholomew’s Maps
John Bartholomew & Son Ltd published maps from the early 19th Century until the company was finally purchased in 1989 and became subsumed into the Harper-Collins publishing group. Although they […]
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