Henry <br/><br/>
Telegraphic determinations of longitude in Mexican Central America 
Henry  
 - Washington  Beauro des longitudes  1885 
 - 216p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Longitudes<br/>Telegraphic determinations
<br/><br/><label>Universal Decimal Class. No.: </label>528.28(72)  / DAV