Bristol Hercules Engines In Wellington Aircraft - Engine Running Notes For Pilots. P/b, 13 x 20cm, approximately 40pp. Issued by The Bristol Aeroplane Company Ltd. Issue No.1, 1944. Intended as an easy reference to assist pilots in the efficient operation of the Hercules engines. Covers starting, warming up, blower ground check, mixture checks, ignition checks, taxiing, take-off, climbing, cruising, diving, landing etc. Well illustrated. The cover is creased/dog-eared, pages very good, staples corroding. Stock code P27414.