Ward, Francis Alan Burnett. <br/><br/>
Clocks and watches.  2,  Spring-driven / 
by F.A.B. Ward. 
 - London :  H.M.S.O,  1972. 
 - [48]p. 
 - Illustrated booklets (Science Museum) .
 - Illustrated booklets (Science Museum) .
<br/><br/><label>ISBN: </label>0112901158 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--History.