Armstrong, Warren <br/><br/>
The true book about lighthouse and lightships 

 - London :  Frederick muller ltd,  1958 
 - 144p.;  ill.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>627.9  / ARM