Central Scientific vacuum pump
date: label: date made
content: ca 19
label: date made
content: ca 1935
name: label: Maker
content: Central Scientific Company
label: maker
content: Emerson Electric Mfg. Co.
notes: label: Description (Brief)
content: A Central Scientific vacuum pump with Emerson Electric motor. Part of John and Peter Milewski's home laboratory. This equipment was used during the experiments leading to the issue of US Patent # 4,864,186 (5 September 1989), to provide rarefied environment for lamp filament testing. Donor recalled that this unit was obtained from Los Alamos as surplus. Cenco vacuum pump nameplate lists patents: 1385101, 1719747, 1890572, 1890614. Emerson motor nameplate includes: frame S60YK, style 1482 16415 115v 2.2a 60cy 1/8hp.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from John V. Milewski
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1996.0358.05
label: accession number
content: 1996.0358
label: catalog number
content: 1996.0358.05
label: patent number
content: 4864186
objectType: label: Object Name
content: Vacuum Pump
physicalDescription: label: Measurements
content: overall: 19 in x 10 in x 11 1/2 in; 48.26 cm x 25.4 cm x 29.21 cm