One rotating circle and one plunger rotate and move several pieces that look like pills.

• Inventor: Dario Uri
• Mechanism: Intersecting plungers and circles
• Patents: Unknown
• Producer: Custom
• Year: 1987
• Original Price: $0.00 USD
• Current Price: No Data

The name is preliminary because it is unknown whether the inventor gave ithe puzzle one.
Image 1:
Courtesy, The Lilly Library, Indiana University, Bloomington, Indiana
The first year of production is unknown but Jerry Slocum acquired his sample in 1987.

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