As posted by Fice above: https://www.dougengelbart.org/content/view/374/ https://www.dougengelbart.org/content/view/374/ It's a very interesting show, how the

As posted by Fice above: https://www.dougengelbart.org/content/view/374/ https://www.dougengelbart.org/content/view/374/ It's a very interesting show, how they solved the displays with commercial cameras filming the lcd displays in the lab and sending to the users screen. How the mouse worked, five button keyboard and so on.