Crossing the River Lossie

Triangulation

The maps collection held by the National Library of Scotland is one of the finest in the world, and the foundation of the collection are the Ordnance Survey maps first produced in the mid-19th century. These maps, and those that followed, were made possible by a process called triangulation. Triangulation is a means of determining the location […]

Read More

The Evolution of a Map

It is largely agreed that John Bartholomew & Son. Ltd. can lay claim to a distinguished and deserved reputation as regards the quality of their maps and their ability to innovate. Successive generations pioneered new projections, new types of content and even new methods of folding, but arguably the pinnacle of all of this innovation […]

Read More