The telechronometer
Subtitle: telephone service measurement in units of time
By: by Lyall Baker Cochran.
Series: Washington (State) University. Engineering experiment station. Engineering experiment series. Bulletin; no. 104
Publisher: University of Washington
Published: 1941
Place of publication: Seattle
Language: eng
Number of pages: 69
Subjects: Telephone -- Equipment and supplies.; Chronometers.; Telephone -- Rates.
Other titles: Telephone service mesurement in units of time.
Notes: Bibliographical foot-notes.