Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type MEMORABILIA-People Physical Description Celluloid protractors fragmented in many pieces. Appears to be two protractors, one with measurement lines and one without lines. Dimensions 3-D (largest fragment piece): 4.4 × 3.8 × 0.3cm (1 3/4 × 1 1/2 × 1/8 in.)
 Materials Celluloid
 Inventory Number A19791492014 Credit Line Donated by Juan T. Trippe Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.