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 other places… 5000+ total posts since 2008.
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JF Ptak Science Books Quick Post
Earlier in this blog I posted a magnificent illustration of the fabulous new comptometer adding/calculating machine, here. I wanted to include this unusually designed ad for the machine somewhere on the blog before I lost it (again), and so here it is:
In my experience the use of diagonal black-and-white lines like this for illustration or advertisements was really very uncommon.