Transferred from the Department of Commerce, Bureau of Standards
Date: ca. 1932
Country of Origin: United States of America
Dimensions:
3-D Test: 45.7 x 12.7 x 4.4cm (18 x 5 x 1 3/4 in.)
Materials:
Metal, paint
Physical Description:
Length 470mm; c.1932; heavy brass; streamlined with fins (one gone).