Jong, W. de. <br/><br/>
Machinery alarm systems for ships operated with unattended machinery spaces / 
W de Jong. 
 - [London] :  Lloyds,  [n.d.]. 
 - 10 p. :  ill. ;  28 cm. +  pbk. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ships--Electronic equipment.
<br/><br/><label>Dewey Class. No.: </label>623.865