Comments on: 1923 Patented Cartogram http://makingmaps.net/2009/07/09/1923-patented-cartogram/ Resources and Ideas for Making Maps Tue, 14 May 2013 08:22:31 +0000 hourly 1 http://wordpress.com/ By: More Old School Cartograms, 1921-1938 « Making Maps: DIY Cartography http://makingmaps.net/2009/07/09/1923-patented-cartogram/#comment-1684 Tue, 30 Nov 2010 12:45:04 +0000 http://makingmaps.net/?p=910#comment-1684 [...] than geographic area. In two previous blog posts, 1911 Cartogram: “Apportionment Map” and 1923 Patented Cartogram, a few old-school cartograms were resurrected from musty old publications. Here find eight more [...]

]]> By: John Krygier http://makingmaps.net/2009/07/09/1923-patented-cartogram/#comment-1002 Fri, 10 Jul 2009 10:32:52 +0000 http://makingmaps.net/?p=910#comment-1002 Yes. My command to stop making cartograms was intended to be slightly humorous.

]]> By: Benjamin Lukoff http://makingmaps.net/2009/07/09/1923-patented-cartogram/#comment-993 Fri, 10 Jul 2009 04:33:17 +0000 http://makingmaps.net/?p=910#comment-993 Didn’t the patent run out in 1940?

]]> By: La Cartoteca » Blog Archive » Cartograma patentado http://makingmaps.net/2009/07/09/1923-patented-cartogram/#comment-992 Thu, 09 Jul 2009 15:08:43 +0000 http://makingmaps.net/?p=910#comment-992 [...] estadounidense, al menos, se encuentran registrados por doquier. No, lo que descubre hoy DIY Cartography es que, en 1923, bajo la denominación de “proyección de población”, Karl Karsten [...]

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