Advanced Gas Training, 1943 circular / a.r.p. department Civilian duty respirators fitted with microphone attachments / Home Office, Air raid precautions department Maatregelen tegen gasgevaar - Koninklijke Landmacht Voorschrift no. 724 protection of foodstuffs against poison gas / issued by the Home Office, Air Raid Precautions Department Air Raid Precautions. Handbook no.3. Medical Treatment of Gas Casualties Advanced Gas Training, 1943 Gas Officer's Handbook, WO 8630 Veldvademecum voor voetuigcommandanten van verkenningseenheden. Experiments in anti-gas protection of houses / Home Office , Air raid precautions department Anti-gas protection of babies and young children / Home Office , Air raid precautions department Certification mark for filtration plants giving protection against poison gases used in war / Home Office, Air raid precautions department Instruction technique sur la protection contre les gaz de combat
