Additional Info

• ID Code: O2-21
• Purpose: Demonstrate persistence of vision using strobosccope.
• Description: A disc contains the letters C E N C O in apparently random order. When the disc is spun rapidly and illuminated by a stroboscope at the right frequency, the word CENCO is clearly formed, accomplishing their advertising goal.
• Availability: Available
• References: REFERENCES: (PIRA unknown.)