This object is on display in the Time and Navigation exhibition at the National Mall building.
Gift of Thackray Weems Dodds Seznec Family.
Weems System of Navigation
Dimensions: 3-D: 21cm (8 1/4 in.)
Materials: brass, plastic
Physical Description:Computer will be used for the "Time and Navigation" exhibit White plastic dead reckoning computer used for aerial navigation. The circular computer has three discs for ground speed, mileage and course.
Inventory number: A20120155000