Advertising Leaflet, Mental + - X ÷ Made Easy
date: label: date made
content: 1975
name: label: maker
content: Centurion Industries Incorporated
notes: label: Description
content: This leaflet describes the digitor "computerized learning arithmetic system," including images of students using the device and of fan mail from students.
label: Description
content: For related object, see 1986.0507.01.
label: Location
content: Currently not on view
place: label: place made
content: United States: California, Redwood City
setName: label: See more items in
content: Medicine and Science: Computers
creditLine: label: Credit Line
content: Centurion Industries
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.3081.06
label: catalog number
content: 1986.3081.06
label: nonaccession number
content: 1986.3081
objectType: label: Object Name
content: leaflet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 22 cm x 10 cm; 8 11/16 in x 3 15/16 in