Display Status
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 single, rounded object with a flat base (no elevated rim). There appears to be a circular depression around this base. The center has an elevated, rounded block of wood, 1.075" wide and 2.5" high, with a 1.5"center hole that goes through object to the other side. The reverse side has an elevated inner rim towards the center and an lower 0.5" high outer rim,and a 1.125" wide towards its edge.
Dimensions
3-D (Overall): 10.8 × 15.9cm (4 1/4 × 6 1/4 in.)
Materials
Wood
Unknown Coating
Inventory Number
A19820913000
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.