A Walk through time
Subtitle: a journey offered to you
By: by the National Institute of Standards and Technology, an agency of the Technology Administration, U.S. Department of Commerce
Contributors: National Institute of Standards and Technology (U.S.)
Edition: Rev. CNS-8/92
Publisher: The Institute
Published: 1992
Place of publication: [Gaithersburg, MD]
Language: eng
Number of pages: 20
Subjects: Time measurements -- History
Notes: Cover title

Shipping list no.: 93-0057-P

G.P.O. sales statement incorrect in publication

Includes bibliographical references (p. [20] - p. [3] of cover)