Double Siren
Double Siren
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- Description
- This is a 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.” From Rutgers University
- Ref: Max Kohl A.G., Physical Apparatus (Chemnitz, 1911), vol. 2, pp. 422-423.
- Location
- Currently not on view
- Object Name
- double siren
- maker
- Max Kohl
- place made
- Germany: Saxony, Chemnitz
- Measurements
- overall: 20 1/2 in x 10 1/2 in x 7 in; 52.07 cm x 26.67 cm x 17.78 cm
- 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
- ID Number
- PH.327651
- accession number
- 268279
- catalog number
- 327651
- Credit Line
- Gift of the Department of Physics, Rutgers University
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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