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 Magazijn-Inventaris der Marine. Afd. B : Duiktoestellen; gasbeschermers (tevens rookmaskers); zuurstofpompen; zuurstofkoffers; brandbluschbenoodigdheden; nevelverwekkers : (verkorte benaming: duiktoestellen; gasbeschermers; brandbluschbenoodigdheden, enz) air raid precautions memorandum Anti-gas training / issued by the Home Office (A.R.P. Department) air raid precautions handbook Anti-gas precautions for merchant shipping / issued by the Home Office, Air Raid Precautions Department air raid precautions handbook Personal protection against gas / issued by the Home Office, Air raid precautions department air raid precautions handbook Personal protection against gas / issued by the Home Office, Air raid precautions department Luchtbescherming : het gasmasker G'35 (beredenen) : beschrijving, behandeling, oefening / Rijksinspecteur voor de bescherming van de bevolking tegen luchtaanvallen Protection against gas and air raids : pamphlet No. 3 : passive air defence / The War Office Specimen standing orders for protection against gas and air raids in billets, camps and bivouacs for all headquarters and units Instruction provisoire sur l'emploi tactique des grandes unités : Instruction provisoire sur la protection contre les gaz de combat / Ministère de la Guerre. État-major …
