Camera Obscura
name: label: maker
content: Central Scientific Company
notes: label: Description
content: This simple camera obscura consists of two telescoping wooden boxes, one with a pinhole at one end and the other with a ground glass plate. The inscription reads “CENTRAL SCIENTIFIC CO. / CHICAGO.” Central Scientific termed this a “student’s form according to Hall and Bergen” that was “Excellent for showing the principle of photographic camera and formation of images.”
label: Description
content: Ref: Central Scientific, <i>Physical and Chemical Apparatus</i> (Chicago, 1909), p. 242.
label: Description
content: Edwin H. Hall and Joseph Y. Bergen, <i>A Text-Book of Physics Largely Experimental</i> (New York, 1891), pp. 320-321.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Columbia University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2001.0162.22
label: catalog number
content: 2001.0162.22
label: accession number
content: 2001.0162
objectType: label: Object Name
content: camera obscura
physicalDescription: label: Measurements
content: overall: 8 1/2 in x 5 in x 2 1/2 in; 21.59 cm x 12.7 cm x 6.35 cm