Cochran, Lyall Baker. <br/><br/>
The telechronometer,  telephone service measurement in units of time, 
by Lyall Baker Cochran. 
 - Seattle,  University of Washington,  1941. 
 - 69 p. incl. illus., tables, diagrs.  23 cm. 
 - Washington (State) University. Engineering experiment station. Engineering experiment series. Bulletin  no. 104 .
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>po 41000004  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone--Equipment and supplies.<br/>Chronometers.<br/>Telephone--Rates.
<br/><br/><label>LC Class. No.: </label>TK6471  / .C6 
<br/><br/><label>Dewey Class. No.: </label>621.38796