Projector
date: label: date made
content: after 1876
name: label: maker
content: Duboscq, Jules
notes: label: Description
content: Instruments of this sort, which projected the image of objects placed on them, came into use in the second half of the nineteenth century. The “J. Duboscq / à Paris / No. 54” inscription on this example refers to Jules Duboscq (1817-1886), an important scientific instrument maker in Paris.
label: Description
content: This form later came to be known as a viewgraph or an overhead projector.
label: Description
content: Ref: J. Duboscq, “Appareil pour la projection des corps placés horizontalement,” <i>Journal de Physique Theorique et Appliquee</i> 5 (1876): 216-218.
label: Description
content: Debbie Griggs, “Projection Apparatus for Science in Late Nineteenth Century America,” <i>Rittenhouse</i> 7 (1992): 9-15.
label: Location
content: Currently not on view
place: label: Place Made
content: France: Île-de-France, Paris
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Sputnik
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: U.S. Military Academy
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.315416
label: catalog number
content: 315416
label: accession number
content: 217544
objectType: label: Object Name
content: projector
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 28 in x 13 5/8 in x 13 5/8 in; 71.12 cm x 34.544 cm x 34.544 cm
label: Measurements
content: overall: 27 3/4 in x 13 in x 13 in; 70.485 cm x 33.02 cm x 33.02 cm