A used hard cover Vietnam War US USAF Technical Manual Overhaul Main Fuel Control Reference Book. Original folder was labelled for Slaved Cyro Magnetic Compass System Sept 1951. Label has been crossed out and re used for the USAF Technical Manual Overhaul Main Fuel Control in 1970. Approx 2 inches thick, with lots of information and pictures. Great for reference. I accept all forms of payment. I ship all over the world. GST of 5% is applicable on all sales within Canada.