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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 A somewhat complex array of copper tubing on two levels (inner/outer), which seems experimentally more complex than most established boiler assemblies developed between 1893 and 1896. Inner tubing is double-rowed and surrounded by a series of single, outer tubes; all connected to a main tube running down the middle. Stored with A19820855000 Dimensions 3-D: 38.7 x 18.1 x 10.8cm (15 1/4 x 7 1/8 x 4 1/4 in.)
Storage: 47.9 x 47 x 13cm (18 7/8 x 18 1/2 x 5 1/8 in.)
 Materials Coppery Alloy
Iron Alloy
 Inventory Number A19820858000 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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