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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-coiled horizontal copper tubing. Two tube ends protrude from the right side. This object shows a design continuation utilizing thicker piping but with a difference; it has the greatest amount of insulation of any similar object in our collection up to this point. This is reflected in the original photograph in Langley's "Memoir of Mechanical Flight" as boiler type "P", featured in the "Boilers of Aerodromes" picture template. The object in question is the original object used in the Langley memoir photograph. Dimensions 3-D (Overall): 48.3 × 22.2 × 11.4cm (1 ft. 7 in. × 8 3/4 in. × 4 1/2 in.)
 Materials Copper Alloy
 Inventory Number A19820846000 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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