Norris, J. A. <br/><br/>
Telegraphic measurement of the differences of longitude by offices of the U.S. Navy 1878-79 
J. A. Norris, C. H. Davis and F. M. Green 
 - Washington  Navy Department  1880 
 - 87p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Longitudes<br/>Telegraphic determinations
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / FLU