A Daily History of Holes, Dots, Lines, Science, History, Math, Physics, Art, the Unintentional Absurd, Architecture, Maps, Data Visualization, Blank and Missing Things, and so on. |1.6 million words, 7500 images, 4.9 million hits| Press & appearances in The Times, Le Figaro, Mensa, The Economist, The Guardian, Discovery News, Slate, Le Monde, Sci American Blogs, Le Pont, and many othr places… 5000+ total posts since 2008.
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Josef Rodenstock (1846-1932) started his company, “G. Rodenstock” in 1879, manufacturing and selling mathematical, physical, and optical instruments–it survives to this day. This advertisement for the optics branch of the company appeared in the July 1, 1918 issue of Illustrirte Zeitung (Leipzig)–it is rather small in the original, but very effective; I couldn’t pass it by without sharing.
