Protractor, Model 3-B, United States Army Air Force
notes: label: Physical Description
content: Black metal navigation tool with two protractor arms and ruler.
place: label: Country of Origin
content: United States of America
setName: label: See more items in
content: National Air and Space Museum Collection
creditLine: label: Credit Line
content: Gift of the Zubkoff/Maiman Family
dataSource: label: Data Source
content: National Air and Space Museum
identifier: label: Inventory Number
content: A20040179000
objectType: label: Type
content: EQUIPMENT-Mission Support
objectRights: label: Restrictions & Rights
content: CC0
physicalDescription: label: Materials
content: Non-magnetic white metal alloy (most likely aluminum alloy), black wrinkle finish coating
label: Dimensions
content: 3-D: 59.4 x 23.5 x 9.8cm (23 3/8 x 9 1/4 x 3 7/8 in.)