atlas of gas poisoning detection and identification of war gases : notes for the use of gas identification officers / Ministry of Home Security, Air raid precautions department Moderne oorlogstechniek en bescherming der burgerbevolking / Gertrud Woker Mechanical design : Gas fitting / War Department. Office of the Chief of Engineers communications of the "van der waalsfund" rapid expansion of compressed gas behind a piston, the effect of molecular interaction : The expansion of nitrogen / [by] A. Michels, S.J. Jacobs, Z.I. … 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 Tekst van het gifgasrapport van den Volkenbond : met een antwoord van D. van Embden op de brochure van kapitein Maas en andere bestrijding 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 air raid precautions memorandum Gas detection and identification service / issued by the Ministery of Home Security (A.R.P. Department) What to do about gas / issued by the Ministry of Home Security
