From sundials to atomic clocks : understanding time and frequency /
Jespersen, James.
From sundials to atomic clocks : understanding time and frequency / James Jespersen and Jane Fitz-Randolph ; illustrated by John Robb. - New York : Dover Publications, 1982. - 175 p. : ill. ; 24 cm. - NBS monograph ; 155. .
Reprint. Originally published: Washington : National Bureau of Standards, U.S. Dept. of Commerce : for sale by the Supt. of Docs., U.S. G.P.O., 1977. (NBS monograph ; 155) Includes index.
Bibliography: p. 170.
048624265X (pbk.)
81017320 //r95
Time.
Time measurements.
Clocks and watches.
QB209 / .J47 1982
602/.1 s 529
From sundials to atomic clocks : understanding time and frequency / James Jespersen and Jane Fitz-Randolph ; illustrated by John Robb. - New York : Dover Publications, 1982. - 175 p. : ill. ; 24 cm. - NBS monograph ; 155. .
Reprint. Originally published: Washington : National Bureau of Standards, U.S. Dept. of Commerce : for sale by the Supt. of Docs., U.S. G.P.O., 1977. (NBS monograph ; 155) Includes index.
Bibliography: p. 170.
048624265X (pbk.)
81017320 //r95
Time.
Time measurements.
Clocks and watches.
QB209 / .J47 1982
602/.1 s 529