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
Round sphere with small housing on bottom with coiled string.
Dimensions
3-D (Diameter x Length): 15.2 × 11.4cm (6 × 4 1/2 in.)
Storage: 21.3 × 19.7 × 13.7cm (8 3/8 × 7 3/4 × 5 3/8 in.) Materials
Copper Alloy
Ferrous Alloy
Natural Fiber Thread
Solder Inventory Number
A19820802000
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.