Standard time for the United States of America, Canada and Mexico
Subtitle: Special attention to the subject referred to in the accompanying documents is respectfully requested by the American society of civil engineers...
Published: 1882
Place of publication: New York]
Language: eng
Number of pages: 34
Subjects: Time; Systems and standards
Notes: Copy filmed: Letter written and signed by John Bogart, Secy. Am. Soc. Civil Engineers.

Microfilm. New York, N.Y. : Columbia University Libraries, 1997. 1 microfilm reel ; 35 mm.