3 ms·
Electric motors so every building didn't need its own steam engine, and cheap interchangeable parts manufacturing for the mechanisms that needed to be perfectly
by crooked-v 3mo ago
Electric motors so every building didn't need its own steam engine, and cheap interchangeable parts manufacturing for the mechanisms that needed to be perfectly consistent in every installation to be reliable.
- Brian_K_White 3mo agoI think it was the automatic emergency brake.
- crooked-v 3mo agoThose are the mechanisms I'm talking about.