Miners' & smelters' telegraph code. Adopted by The American Smelting & Refining Co. 

 - New York  Allied Code Company of the U.S.  s.f. 
 - 448 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CODIGOS TELEGRAFICOS
<br/><br/><label>Universal Decimal Class. No.: </label>A/621.382/M