My latest posting about Cahill's cartography discusses his Conformal, one of three main Variants he had developed subsequent to his original 1909 Butterfly.
http://www.genekeyes.com/CAHILL-VARIANTS/Cahill-Conformal.html
Besides unpublished illustrations from his archive, it also includes my earliest start on the Cahill-Keyes map, a 1975 dummy using a 1928 Cahill Conformal. Also shown is an early draft of a Cahill-Keyes Conformal by Jacob Rus (2015), based on my sui-generis transformation.
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http://www.genekeyes.com/CAHILL-VARIANTS/Cahill-Conformal.html
Besides unpublished illustrations from his archive, it also includes my earliest start on the Cahill-Keyes map, a 1975 dummy using a 1928 Cahill Conformal. Also shown is an early draft of a Cahill-Keyes Conformal by Jacob Rus (2015), based on my sui-generis transformation.
أكثر...