Variable Angle Prism
date: label: date made
content: 1850-1886
notes: label: Description
content: Container with brass sides and glass ends, supported on a brass stand. When filled with different liquids, it shows that they refract light in different ways. When the glass ends are set to different angles, it shows that the angle of deviation increases with the refracting angle of the prism. The “J. Duboscq / à Paris” inscription is that of the optical instrument maker, Jules Duboscq (1816-1886).
label: Description
content: Ref: Maison Jules Duboscq, <i>Historique & Catalogue de Tous les Instruments d’Optique Supériure</i> (Paris, 1885), pp. 44-45.
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Weston College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.328477
label: catalog number
content: 328477
label: accession number
content: 271661
objectType: label: Object Name
content: variable angle prism
label: Object Name
content: Variable Angle Prism
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 20 in x 7 1/2 in x 11 in; 50.8 cm x 19.05 cm x 27.94 cm
label: Measurements
content: overall: 20 in x 8 1/2 in x 11 in; 50.8 cm x 21.59 cm x 27.94 cm