Description:A small clear light bulb is placed in a plastic cylinder which is covered with a half-silvered aluminized mylar sheet. When the light is off, the outside is brighter and the light bulb cannot be seen. When the light is on, the glowing filament can easily be seen through the aluminized mylar.
Availability:Available
Loc codes:L2
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Last modified on Tuesday, 29 September 2020 08:57