Phillips, W. D., <br/><br/>
Discovering electronic clocks / 
W. D. Phillips. 
 - 120 pages :  illustrations ;  30 cm 
<br/><br/><label>ISBN: </label>9780953012916 0953012913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic clocks and watches--Design and construction.
<br/><br/><label>Subjects--Index Terms: </label>Clock (general) Design & Technology Phillips, W[illiam] D[onald] electronic