Handbook for the Apparatus, Dome. A.A. Training
By Command of the Army Council: The [British] War Office, 1st April 1944.
A 56 page 'Restricted' stapled handbook, 9.5 x 6 inches, 24 x 15 cms, 7 figures (some folding) and 11 fine photographic plates on art paper.
In immaculate, untouched condition, in its original thin card wrappers. Some rusting on the staples but holding firm.
The incredibly rare WW2 training, operations, testing and maintenance manual for the British 20 ft diameter dome anti-aircraft gunnery trainer.
40 of these training domes were contructed during the war of which only 6 have survived the intervening years in any condition and just one, that at RAF Langham in Norfolk, has been restored where it is a listed building.
So few were built that operating manuals for them were never numerous and today are correspondingly rare.
The LanghamDome.org website explains that domes stood 25 ft tall and were used in wartime as training facilities for anti-aircraft gunners in ground-to-air anti-aircraft defence.
Gunners were schooled in accuracy using newly-developed stop-frame film technology which simulated air attacks by projecting images of enemy aircraft onto the interior walls of the Dome.
The handbook, with its photographs and sketches, together with the many pages of operating and training instructions, is an unique record of the apparatus and working operation of these early training domes.