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This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date 1887-1903 Country of Origin United States of America Type EQUIPMENT-Test Manufacturer Smithsonian Institution
 Physical Description Double row of copper tubing; independent rows supported by two support brackets which are augmented by a centrally-placed copper tube that runs the length between the two copper coils. This object represents the newer design of utilizing two rows of tubing that is reflected in the original photos in Langley's "Memoir of Mechanical Flight" (Boilers of Aerodromes). The tubing is now separated, instead of beng coiled closely together, as in earlier designs. Dimensions 3-D: 44.8 x 21.1 x 17cm (17 5/8 x 8 5/16 x 6 11/16 in.)
Storage: 53.3 x 31.8 x 18.4cm (1ft 9in. x 1ft 1/2in. x 7 1/4in.)
 Materials Copper Alloy
Steel
 Inventory Number A19820862000 Credit Line Transferred from the Smithsonian Institution to the United States National Museum. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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