Electrical timekeeping / by F. Hope-Jones ; with a foreword by Sir Harold Spencer-Jones

Hope-Jones, F. (Frank), (1867-)

1949, Second Edition. London : N.A.G. Press. Very good cloth copy in a very good edge-nicked and dust-dulled dust-wrapper. Remains quite well-preserved overall. Item #477108

Physical description; 279 p,(9)leaves of plates : ill., ports ; 23 cm. Subjects; Clocks and watches. Electric History. Electronics. History Development. Quartz crystal clock.

Price: €48.00