Chemiluminescent Signal Device.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent concerns a signal device combining a fluorescent or phosphorescent light tube and a weighted base designed to be thrown or dropped from a vehicle as a warning marker. The light tube is preferably of the chemically actuated type and the base preferably has four resilient legs serving to ensure that the device will assume an upright position when dropped.
- Air Conditioning, Heating, Lighting and Ventilating
- Safety Engineering
- Escape, Rescue and Survival