pamphlet Respirators, anti-gas, light : instructions for the examination, repair, sentencing, proof, replacement, etc., of / War Office - Engeland Voorschrift, 26/Regulations/2481 pamphlet Respirators, anti-gas horse and mule, Mk. I/L : instructions for the examination, repair, sentencing, proof replacement, etc., of (...) - Engeland Voorschrift 26/Regulations/2879 Field service pocket book. Part I : Gas - Engeland Voorschrift, 26/GS Publications/881 pamphlet Instructions for the examination, repair and sentencing of anti-gas clothing / War Office - Engeland Voorschrift, 26/Publications/5349 pamphlet Instructions for the operation of industrial gas units, R.A.O.C. / War Office - Engeland Voorschrift, 26/Publications/5772 Field service pocket book : Protection against gas - Engeland Voorschrift, 26/GS Publications/557