Tantalus Cup

Tantalus Cup

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Description
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.
Location
Currently not on view
Object Name
tantalus cup
Measurements
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
1982.0104.01
catalog number
1982.0104.01
accession number
1982.0104
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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