Liquid crystal display panel as used in prototype oscilloscope display made at the Royal Signals and Radar Establishment
1978
Diagram of Crookes' Mercurial Air Pump, 1877-1900
1918 (diagram)
Display panel
Display panel
Display panel with photograph of Dounreay
Display panel showing an early medium power Travelling Wave Tube
Display panel describing Heysham I & II nuclear power stations
1980-1985