Comment by miki_tyler
Comment by miki_tyler 5 days ago
Yes, exactly! Even the simplest printing press needs a screw, a nut, and movable types, each one is its own little invention. To make just those three things, they need good metalworking skills, a way to make threads that fit together, and tools to shape the letters. So even one simple machine like the most basic printing press depends on a bunch of other smaller breakthroughs. That’s what makes it so fun to think about, every step opens the door to ten more.
One of the key components of metal movable type printing presses is an appropriate ink. The concept of using a press to print on paper was well known for 100's of years across the world from China to Europe. Movable type had even been invented earlier, often using wood or ceramics instead of lead. Getting the ink right to work with metal type was not simple and recipes used by various printers were considered trade secrets (though obviously leaked as printing spread widely and rapidly).
Many inventions are like this. They seem simple in hindsight, but at the time, required putting together tools, techniques, materials and insight from multiple sources. There's an old BBC TV show called "Connections" that explores the origins of many modern technology and the often strange paths that led us there. For example, without people loving perfume, internal combustion engines might have taken decades longer to have been developed.