R.A.E Instruction Leaflets No. M.E.3. - M.E.5

Three R.A.E instruction leaflets stapled together; the first on how to carry out ground testing of R.A.F. Pressure Suit Equipment, the second on the preparation, inspection and cleaning of pressure suit headpieces, and the third describing the procedure for a pressure suit drill. Also includes an extra copy of an oxygen endurance diagram included in R.A.E Instruction Leaflet No. M.E.5.