https://upload.wikimedia.org/wikipedia/commons/5/55/Kenbak1.jpg
Kenbak 1 1973. World's first commercial personal computer, Computer History Museum, Mountain View, California
By Kathryn Greenhill - Kenbak 1 1973. World's first commercial personal computer, Computing History Museum, Mountain View, CaliforniaUploaded by liftarn, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=26202944