Have you ever looked at an Admiralty Chart and wondered how each of the sea depths were measured? What about before the invention of echo sounding devices? What did an early oceangrapher use to calculate each fathom? Prior to the early 19th century soundings were measured using a lead line system. A sailor would cast […]
This month’s Map of the Month celebrates the work of Alexander von Humboldt. The map Outlines of Botanical Geography appears in W.K. Johnston’s Physical Atlas (1848). Humboldt played an important part in the design and production of this map. Bearing an almost Faustian thirst for knowledge, Humboldt aimed to explore as much of the world as […]
As the sun sets earlier and the nights are getting darker, now is the perfect time to look to the skies and locate different constellations. This would be impossible for the amateur astronomer without a handy constellation guide like Middleton’s Celestial Atlas.
Holiday season is upon us; time to remember to send that postcard home! If you are either sending or receiving postcards, I think you will enjoy this light-hearted ramble though some of the Map Library’s Postcard collection. I have selected a few of the Geographical Series of Postcards (John Walker & Co 1903) to enrich […]
After the announcement of the Forth Road Bridge closure and eventual re-opening, the Map team became curious about the history of the bridge planning, the alternative plans and what it may have looked like. This led to a rummage around the archives for road plans and any other related maps. So what did we find?