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 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 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
Date 1918 Type EQUIPMENT-Tools Manufacturer La Société Hispano-Suiza
 Physical Description Round wood disc with hole in center. Hole has steel reinforcement plate attached with four screws and has keyway to fit crankshaft of a Hispano engine. Face of disc marked to indicate degrees of crankshaft rotation and the cam/ ignition event(s) that should occur at these points. Includes cylinder firing order and diagram of spark plug lead positions at magnetos. Dimensions 3-D: 3.8 × 35.2cm (1 1/2 in. × 1 ft. 1 7/8 in.)
 Materials Wood, Steel
 Inventory Number A19610101000 Credit Line Gift of Mrs. L. L. Walker, Sr. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.