Helmholtz Resonators (14)
name: label: maker
content: Max Kohl
notes: label: Description
content: Herman von Helmholtz (1821-1894), a German scientist who worked in the fields of physics, physiology and psychology, described this type of acoustic resonator: a hollow metal body filled with air, and fitted with a small neck that could be held to his ear. The fourteen cylindrical brass resonators in this set range from 1-inch to 7-inches diameter. Each is marked “Made in Germany.” The largest is also marked “Max Kohl, A.G., Chemnitz.”
label: Description
content: Ref: Max Kohl, <i>Physical Apparatus</i> (Chemnitz, [1912]), vol. 2, pp. 450-451.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Saxony, Chemnitz
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Rutgers University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.327652
label: catalog number
content: 327652
label: accession number
content: 268279
objectType: label: Object Name
content: resonators, universal
physicalDescription: label: Measurements
content: overall: 11 1/2 in x 32 in x 9 1/4 in; 29.21 cm x 81.28 cm x 23.495 cm