Londonderry District, Drift, (1908). First edition. Colour print, flat, 46 x 66cm. Scale 1:63,360.

Londonderry District, Drift, (1908). First edition. Colour print, flat, 46 x 66cm. Scale 1:63,360. Base map 1899. Published by OS, 1908. Parts of one inch maps 11, 12, 17 and 18. Horizontal section through Londonderry Cathedral in bottom margin. Clean, bright colours, slightly age-toned. In very good  condition.

In 1900, when colour printing was introduced, the District map series was created for cities located where two or four standard sheets met. Horizontal sections were also introduced with the advent of colour printing.