Multimedia Gallery
- Media Type: Artifact
This chronometer movement was made by John Roger Arnold about 1825.
This chronometer movement was made by Thomas Earnshaw, about 1798.
Box chronometer, after Thomas Mudge, No. 14 made by Howells, Barraud, and Jamison, 1802.
This represents the first commercially available chip-size atomic clock.
Malay Dagger and Sheath, Indonesia
This forerunner of the ubiquitous E-6B flight computer was prominent in the five years before World War II.
This 1933 computer solved wind drift and time-speed-distance problems.
The DAGR was an improvement on the PLGR, providing map data in a lighter hand-held device.
Advertising poster showcasing the importance of overseas flight.
Roy Bardole used this touch-screen computer and an antenna (not shown) to receive enhanced GPS signals for working corn and soybean acreage in Iowa.
