Ord­nance Sur­vey

Who Do You Think You Are? Magazine - - MAPPING YOUR FAMILY -

The best maps cov­er­ing the Bri­tish Isles are those that are pro­duced by the Ord­nance Sur­vey. How­ever, you should be­ware of a few pit­falls that need to be con­sid­ered.

The orig­i­nal sur­veys started in 1784 and up­dates, such as rail­ways, were over­laid on later maps. Thus, a map may show a vil­lage as it was in 1790 with a rail­way built in 1850 run­ning past it. A sec­ond sur­vey started in 1840, with sub­se­quent edi­tions up­dated in the 20th cen­tury. Th­ese pro­duced much less anachro­nis­tic im­pres­sions of places as they re­ally were at the time.

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