3-D (Overall): 48.3 × 6.3 × 7cm (1 ft. 7 in. × 2 1/2 in. × 2 3/4 in.)
Country of Origin:
United States of America
Mandrel used for shaping copper tubing of burners; An object, much like a rolling pin, with grooves spiraling up. The indication here is that objects like this were used to make water condenser tubing or fuel lines for experimental aerodromes.
Stored with A19820973000
Transferred from the Smithsonian Institution to the United States National Museum.
Restrictions & Rights:
Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum