Multimedia Gallery
This pair of Weems-type second-setting “avigation” watches in a shock-mounted case dates from about 1934.
Sailing without a chronometer, the Arniston crashed into reefs along the coast of South Africa and sank on May 30, 1815, killing about 340 people. Heading for the Horn of Africa, the ship’s captain headed north before he should have and slammed into the Lagullos Reef. The crew tried to save the ship, but it broke up in the sea, killing all the passengers and all but six of the crew.
Arthur Goebel's Travel Air 5000 Woolaroc.
Length: 25 Minutes, 15 Seconds
Its principal purpose was to determine magnetic variation.
An astrodome provided an enclosed area from which a navigator could take sightings.
Ed Collen, a NASA engineer, built this prototype device as a backup for Apollo astronauts in case their primary navigation system failed.
This primary atomic frequency standard, a hydrogen maser, served as the stable frequency source for the master clock.