So they tended to think of the atmosphere overhead as a unit, as if it were a single sheet of glass. (history.aip.org)
The model tested had the 12.3 - inch cockpit display fitted as an option - the large sheet of glass on the dash. (nextgreencar.com)
A large sheet of glass was positioned at an angle between two rooms; a target room visible to audience members and another out of their line of sight. (newscientist.com)