Bűchner Funnel
date: label: Date made
content: C. 1900
name: label: maker
content: Coors Porcelain Company
notes: label: Description
content: Ernst Bűchner (1850-1924) was a German chemist who, in 1888, described a modest improvement of the funnel suitable for the vacuum filtration method recently patented by the industrial chemist, R. Hirsch. This Bűchner funnel is made of white porcelain. The blue inscription reads “COORS / U.S.A.”
label: Description
content: Ref: Arthur H. Thomas, Laboratory Apparatus and Reagents (Philadelphia, 1921), p. 302.
label: Description
content: William B. Jensen, “The Hirsch and Bűchner Filtration Funnels,” Journal of Chemical Education 83 (2006).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Chemistry
creditLine: label: Credit Line
content: Gift of University of Pennsylvania Chemistry Lab
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: CH.316063
label: catalog number
content: 316063
label: accession number
content: 217523
objectType: label: Object Name
content: funnel
label: Object Name
content: Bűchner Funnel
physicalDescription: label: Physical Description
content: ceramic (overall material)
label: Physical Description
content: rubber (gasket material)
label: Measurements
content: overall: 5 1/4 in x 3 1/4 in; 13.335 cm x 8.255 cm
label: Measurements
content: overall: 13.9 cm x 8.3 cm; 5 15/32 in x 3 9/32 in
label: Measurements
content: overall: 5 1/2 in x 3 1/2 in; 13.97 cm x 8.89 cm