Science Art: Fig 114 – July normal sea-level pressure, Southern Hemisphere.

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Making the invisible visible – the air over the South Pole, Australia, Tierra del Fuego, Cape Town and beyond.

From General Meteorology (Published Formerly Under The Title Synoptic and Aeronautical Meteorology), 1944, by Horace Robert Byers, Sc.D. The first printing seems to have been in 1937, and the maps have a marvelous Deco feel to them. Expressive in their functionality. Organic curves, laid across grids.