TL;DR: The typewriter has 2,500 distinct characters, and in order to increase typing speed, characters that are related meaning-wise are placed together. As an

TL;DR: The typewriter has 2,500 distinct characters, and in order to increase typing speed, characters that are related meaning-wise are placed together. As an aside, typewriters are very interesting piece of tech, if you look under the hood. I have one that I use regularly, and it's quite pleasing to use (I've an Olympia Traveller de Luxe).