Nov 24 2016

Great Circles in Cardboard

published by Jonathan Crowe
in blog The Map Room
original entryGreat Circles in Cardboard

aviation great circle memorabilia orthodrome

The Global Map is a neat toy from the 1940s. The whole thing is just under one by two feet in area, and consists of two rotating hemispheres that touch at a single point, with the purpose of showing the shortest distance by air or sea between two points—a quick and dirty way of showing … Continue reading "Great Circles in Cardboard"

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