- Back
-
Title: Traffic controllamp,65 watt. These lamps have the centre of [Go to resource]
Description: Traffic controllamp,65 watt. These lamps have the centre of the light source in a different position fromthat of a G.L.S. lamp. They are being superseded by tungsten-halogen lamps. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: incandescent electric lamp Source: Science Museum Creator: Osram (G. E. C.) Ltd Identifier: 1979-316/18 Go to resource More Like this...
[Edit] - Back