This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
This is a bigger version of A19820968000. Two pieces of wood glued together to make a form in which a cylinder head for aerodrome engine use can be developed. Center hole on bigger piece is 5.0" wide. The Center hole on the smaller piece is 2.125" wide.
Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin
United States of America
3-D (Overall): 24.1 × 15.9 × 10.8cm (9 1/2 × 6 1/4 × 4 1/4 in.)
National Air and Space Museum
Restrictions & Rights
Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum