The Linotype keyboard has ETAOIN SHRDLU as the leftmost two columns of each block of letters (separate keys for lower and upper case!) https://commons.wikimedia

The Linotype keyboard has ETAOIN SHRDLU as the leftmost two columns of each block of letters (separate keys for lower and upper case!) https://commons.wikimedia.org/wiki/File:Linotype_keyboard_with_Star_Quadder_attachment.jpg https://commons.wikimedia.org/wiki/File:Linotype_keyboard_wi...