This object is on display in the Time and Navigation exhibition at the National Mall building.
Donated by Ben W. Rau
G. Felsenthal & Sons Inc.
Country of Origin: United States of America
Dimensions: 3-D: 23.8 x 12.4 x 1.3cm (9 3/8 x 4 7/8 x 1/2 in.)
Materials: Painted and engraved acetate, plated copper alloy, and cellulose nitrate
Physical Description:Slide: yellow with green radials, computer: black plastic.
Inventory number: A19771289000