Reference Shelf: Full Text Book: From Sundials to Atomic Clocks: Understanding Time and Frequency

A full text book (306 pages; PDF) introduction to time and frequency that was written for readers of just about all ages about. Published as NIST Monograph 155, 1999. An excellent resource for both the classroom and the reference desk.

More books, articles and pamphlets from NIST about time and timekeeping.

Glossary of Time and Frequency Terms

Source: NIST

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