Transferred from the Department of Commerce, Bureau of Standards
Country of Origin: United States of America
Dimensions:
3-D Test: 10.2 x 8.9 x 8.9cm (4 x 3 1/2 x 3 1/2 in.)
Materials:
Steel
Aluminum
Paint
Copper
Cadmium Plating
Paper
Silver Plating
Physical Description:
6cm dia.cylinder 10cm long mounted on 2.5cmx4.5cmx9cm base