This object is on display in the Time and Navigation exhibition at the National Mall building.
Found in collection. Donor unknown at this time. Found on NASM premises.
(Circle Compass): 3 3/4in. L x 1 3/8in. W x 5/16in. H (9.53 x 3.49 x 0.79cm)
(Dividing Compass): 5 7/8in. L x 5/8in. W x 7/16in. H (14.93 x 1.59 x 1.11cm)
Materials: copper, lead, nickel, steel, zinc
Physical Description:1 set metal
Inventory number: A20020490000