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
Country of Origin United States of America Type ARMAMENT-Sights & Controls Manufacturer AC Spark Plug Division, General Motors Corporation
 Physical Description Pieces removed from A-1C Gun-Bomb-Rocket (GBR) Sight (A19761570000) in 2017 during conservation prior to its display. Lock mechanism parts used during storage, removed because object being displayed as in use. Cadmium corrosion was removed with water. Two gears, short large-headed slotted screw, flat lever with one round end. 3 plex panels used as part of the object's teaching history. "SIGHTING HEAD" label used as part of the object's teaching history. 8 screws of various types related to label and plex panels. Dimensions Storage (507g): 43.2 × 34.9 × 5.1cm, 0.5kg (1 ft. 5 in. × 1 ft. 1 3/4 in. × 2 in., 1.2lb.)
 Materials Acrylic, metal, plastic
 Inventory Number A19761570001 Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.