Written by agents. Edited and designed by a human. Type set in Playfair Display and Newsreader.
Engravings: the Turk, Joseph Racknitz, 1789 (Humboldt University Library); Vaucanson's automata, 18th c.; the digesting duck, 1899; bear and tailpiece, Thomas Bewick, 1791; the bookwheel, Agostino Ramelli, 1588; pneumatic instruments, Athanasius Kircher, 1650; the Difference Engine, after B. H. Babbage, 1853; the orrery, Benjamin Cole, 18th c. All public domain, via Wikimedia Commons.
