Double Siren
name: label: maker
content: Max Kohl
notes: label: Description
content: Helmholtz-type double siren driven by a 110 volt D.C. motor. The “Max Kohl A.G. Chemnitz” inscription indicates a date after 1908. A second tag reads “Imported by James G. Biddle / Philadelphia, U.S.A.”
label: Description
content: Ref: Max Kohl A.G., <i>Physical Apparatus</i> (Chemnitz, 1911), vol. 2, pp. 422-423.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Saxony, Chemnitz
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Gift of the Department of Physics, Rutgers University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.327651
label: accession number
content: 268279
label: catalog number
content: 327651
objectType: label: Object Name
content: double siren
physicalDescription: label: Measurements
content: overall: 20 1/2 in x 10 1/2 in x 7 in; 52.07 cm x 26.67 cm x 17.78 cm
label: Measurements
content: overall: 20 1/2 in x 6 11/16 in x 8 1/4 in; 52.07 cm x 16.98625 cm x 20.955 cm