History of R.A.F. Clocks by Lt. Col. R.C. Gardner. CD e-book, Edition 4 published Sept. 2007 by Circadian (UK) Ltd. 173p, 250 photographs. Contents cover Royal Air Force clocks from the 1920s to the post WW2 period including Mantle clocks of the large and small variety, standard RAF white dial wall clocks and the origin and use of the iconic and much sought after 'Sector' clocks. It provides information on different manufacturers, fusee and platform escapement movement, buying and restoring RAF clocks etc. Excellent photographs show the different cases, dials and movements enabling the reader to easily achieve a better understanding of this fascinating aspect of RAF collecting. Excellent used condition. Please note this is an original CD e-book produced by Bob Gardner, not a printed version. The latter currently retailsat £69.95 plus postage making this is a very economic way of having the information. Only one available. Stock code NIVC.