- This glass instrument—which was known as a tantalus cup or phythagorean cup, and which was used for parlor tricks and physics demonstrations—empties itself when the liquid reaches the height of the bend in the siphon. This example was used at Gettysburg College.
- Ref: Benjamin Pike, Jr., Pike’s Illustrated Descriptive Catalogue of Optical, Mathematical, and Philosophical Instruments (New York, 1848), vol. 1, p.
- Currently not on view
- Object Name
- tantalus cup
- overall: 10 1/4 in; 26.035 cm
- overall: 10 1/4 in x 5 1/2 in; 26.035 cm x 13.97 cm
- ID Number
- catalog number
- accession number
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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