From Sundials to Atomic Clocks : Understanding Time and Frequency, Paperback by Jespersen, James; Fitz-Randolph, Jane; Robb, John (ILT); Miner, Dar (ILT), ISBN 0486409139, ISBN-13 9780486409139, Like New Used, Free shipping in the US

This introduction to time focuses on measurement, historic methods of timekeeping, the uses of time information, and the role of time in science and technology. Other topics include the search for uniform time, the application of time to energy, communication, and transportation, and the role of the world's official timekeepers. More than 300 drawings and cartoons are included. This is a Dover reprint of a 1999 edition by the National Institute of Standards and Technology. Annotation c. Book News, Inc., Portland, OR ()