Bladder Glass
notes: label: Description
content: This heavy glass vessel open at both ends is designed for use with an air pump. When the air is evacuated, a bladder (or hand) put over the top opening will be drawn into the vessel. The form has been used for physics demonstrations since the eighteenth century. This example came from the University of Virginia.
label: Description
content: Ref: George Adams, <i>A Catalogue of Optical, philosophical, and mathematical instruments</i> (London, [1765]), p. 8.
label: Description
content: G. P. Quackenbos, <i>A Natural Philosophy</i> (New York, 1860), pp. 180-181.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: University of Virginia
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.323379
label: catalog number
content: 323379
label: accession number
content: 251562
objectType: label: Object Name
content: bladder glass
label: Object Name
content: Bladder Glass
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 5 1/2 in; 19.05 cm x 13.97 cm
label: Measurements
content: overall: 7 5/8 in x 5 1/2 in; 19.3675 cm x 13.97 cm