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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
This object has a squared base. At the center is a rounded knob with a large, center hole. The center knob is nailed to the squared base. The top part of the squared base is nailed to two pieces on its front and back edges which form aa elevated support stand. The left and right edges have no connection to the sides, nor is there a bottom piece.
Dimensions
3-D (Overall): 12.7 × 8.6 × 10.2cm (5 × 3 3/8 × 4 in.) Materials
Ferrous Alloy
Wood
Paint
Unknown Coating Inventory Number
A19820937000
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
For more information, visit the Smithsonians Terms of Use.