The venerable Boom displays. Made in several varieties, monochrome, two color, and three color versions. These displays were designed to work with SGI Crimson, Onyx Reality, and Onyx 2 Infinite Reality graphics. Used very high resolution custom dual CRT displays and field sequential color shutters.
The Chameleon, with a high resolution LCD on the end of the Boom. Integrated with touchscreen. Used by Alias Research and U. of Toronto by Bill Buxton's Group, and George Fitzmaurice in particular.