Calculating and Measuring Device, Navig-Aider, Felsenthal FDJ-13A
date: label: date made
content: 1960
name: label: maker
content: Felsenthal Instrument Co.
notes: label: Description
content: This plastic instrument with a metal pivot combines a straight edge, dividers, a course protractor, and a time-speed and drift computer. Instructions are given on it. The date, maker and model number are taken from the accession file. The collections include two examples.
label: Description
content: Reference:
label: Description
content: Accession file.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: Subject
content: Mathematics
label: Subject
content: Navigation
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Ben Wharton Rau and Margery Felsenthal Rau
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1977.1141.40
label: catalog number
content: 336424
label: accession number
content: 1977.1141
objectType: label: Object Name
content: Calculating & Measuring Device
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: .1 cm x 24 cm x 17.8 cm; 1/32 in x 9 7/16 in x 7 in