Sheets, Automatic Reversing Switch to Prolong the Life of Contact Points with Direct Current
date: label: date made
content: 1935
name: label: maker
content: Marchant Calculators
notes: label: Description
content: This is a photocopy.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Calculating Machines
creditLine: label: Credit Line
content: Gift of Vincent L. Corrado
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1984.3079.07.18
label: nonaccession number
content: 1984.3079
label: catalog number
content: 1984.3079.07.18
objectType: label: Object Name
content: Sheets, Set Of
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 20.5 cm x 26.6 cm; 8 1/16 in x 10 15/32 in