Gutenberg’s desired output (toilet paper, of a sort)

The man who invented the printing press planned to make good, practical use of it, according to Michael Lewis (writing in Vanity Fair): The first thing Gutenberg [pictured here] sought to publish, after the Bible, was a laxative timetable he called a “Purgation-Calendar.” Here is a fragment of that Purgation-Calendar (reprinted in An introduction to […]

Improbable Research