Fresnel Interference Mirrors
notes: label: Description
content: In 1816, using a pair of plane mirrors made of metal, and mounted together at a very obtuse angle, the French civil engineer Augustin Jean Fresnel (1788-1826) was able to observe the effects of optical interference. This instrument is based on that research. The form was is sometimes associated with Thomas Young, the English physician and natural philosopher who also championed the wave theory of light.
label: Description
content: Ref: Adolph Ganot, <i>Elementary Treatise on Physics</i> (London, 1866), p. 491.
label: Location
content: Currently not on view
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.318742
label: catalog number
content: 318742
label: accession number
content: 234695
objectType: label: Object Name
content: optical apparatus
physicalDescription: label: Measurements
content: overall: 11 1/8 in x 5 3/4 in x 5 1/4 in; 28.2575 cm x 14.605 cm x 13.335 cm