Laptop Computer with Detachable Display for Overhead Projector
It seems like ancient history, but there was indeed a time - not so long ago - when offices everywhere had overhead projectors. This laptop had a removable screen (apparently on a six-foot cable) with a detachable back, letting you plop the screen on a projector for presentations. The basic idea came to market (briefly) in the form of the ThinkPad 755CV.
Republished with permission from PC World (view original version)