Dating old maps

Posted by / 30-Oct-2019 06:59

The project Ellipse was finalized at the end of 2016 and the results are documented in the manual for the Archiving of Federal Geodata.

Embark on a voyage through time with swisstopo’s topographic maps and travel through almost 175 years of Swiss cartographical history, even as far back as the time before the Swiss Confederation was founded. When it comes to the sustainable management of our living space, historical maps and digital 3D models are just as important bases as geological, geophysical and geotechnical datasets.

The physical map collection is housed in the David Rumsey Map Center at the Stanford University Library.

The historical map collection has over 80,000 maps and images online.

That said, new map collectors should take the time to learn the basic issues involved in detecting reproductions and fakes versus authentic antiques.

To that end this article reviews a number of simple features that can help you assess the authenticity of a map. The process usually involves accumulating a number of pieces of evidence which, when assembled, provide very strong evidence for or against a map’s antiquity and authenticity.

So convincing fakes are few and far between, and you are unlikely to encounter one if buying from a reputable source.

It was published in the period from 1845 to 1865 and thus coincides with the creation of the modern Swiss Confederation.

Washington State Library Special Collections collect and preserve historic maps and atlases dating back to the early European and Asian exploration of the North Pacific coastline.

Before then printers used “laid” paper, made from a pulp of macerated cotton rags spread in a thin layer on a wire screen and allowed to dry.

The state of Indiana collection contains 508 atlases spanning 311 years of growth and development (1696 through 2007).

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Within the atlases are 25,806 historical maps, illustrations, and histories many of which contain family names ideal for genealogical research.

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