Herbert, T. E. <br/><br/>
Telegraphy,  a detailed exposition of the telegraph system of the British post office; 
by T. E. Herbert. With 509 illustrations. 
 - London,  Whittaker,  1906. 
 - xx, 912 p.  illus.  20 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Telegraph.
<br/><br/><label>Dewey Class. No.: </label>621.383  / MER