bn:00947309n
Noun Named Entity
Categories: Time stubs, Atomic clocks, Physics stubs
EN
Atomichron
EN
The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc. Wikipedia
Definitions
Sources
EN
The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc. Wikipedia
First commercial atomic clock Wikidata
Wikipedia
Wikidata