Projection Polariscope
date: label: date made
content: second half of nineteenth century
label: date made
content: fourth quarter, nineteenth century
notes: label: Description
content: This is a sophisticated instrument for producing and projecting a wide variety of polarization phenomena. The “J. Duboscq / à Paris” inscription refers to Jules Duboscq, the optical instrument maker who introduced this form in the 1870s.
label: Description
content: Ref: Maison Jules Duboscq, <i>Historique & Catalogue de tous les Instruments d’Optique Supérieure Appliqués aux Sciences et à l’Industrie</i> (Paris, 1885), p. 85.
label: Description
content: Bertin, “Notice sur la projection des experiences de polarisaion,” <i>Journal de physique théorique et appliquée</i> 4 (1875): 72-84, 111-120.
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: Colby College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.329684
label: catalog number
content: 329684
label: accession number
content: 273104
objectType: label: Object Name
content: projection polariscope
physicalDescription: label: Measurements
content: overall: 46.5 cm x 43 cm x 20.3 cm; 18 5/16 in x 16 15/16 in x 8 in
label: Measurements
content: overall: 18 1/4 in; 46.355 cm
label: Measurements
content: overall: 18 1/8 in x 7 1/2 in x 16 1/8 in; 46.0375 cm x 19.05 cm x 40.9575 cm