Ordnance Survey

Swing base and copy board form Photo-mechanical processes : a practical guide to photo-zincography, photo-lithography, and collotype (1897)

Photozincography: Advances in Cartography

Elizabeth Borneman

Photozincography, or heliozincography, was a revolutionary way of copying photographic negatives onto zinc to be used for map making, outlines, engravings, and the reproduction of images.

London from above in GB Minecraft 2.0. Source: Ordnance Survey.

Improved and More Realistic Minecraft Map of Great Britain

Caitlin Dempsey

An improved Minecraft map of Great Britain has been released by the Ordnance Survey.

Making Color Blind Friendly Maps

Caitlin Dempsey

It’s estimated that about 7% of males are color blind in some form (as compared with 0.4% of females).   ...

Ordnance survey logo

Ordnance Survey Data to be Made Freely Available

Caitlin Dempsey

The UK's Ordnance Survey will "will open up its data relating to electoral and local authority boundaries, postcode areas and mid scale mapping information."